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</div></div><div align="center" class="tochead"><h1>19. FEJEZET: Egyenletek II. (teszt)</h1></div>
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    <div class="flec">Bezárás: <a class="flec" href="#">[ X ]</a> </div>
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<div class="feladat"><b>Feladat: 19.1.</b><br /> <a name="algI_GHP_362_teszt" /><a href="bib_box.php?mode=sne---j-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=sne---j-&amp;citation_num='); return false;"></a>Lehet-e a betűk helyére számokat írni úgy, hogy a megadott két

állítás közül pontosan egy legyen igaz?

<div class="p"><!----></div>

<table>

<tr><td align="left"><b>a)</b></td><td align="left">&nbsp;&nbsp;&nbsp;</td><td align="left"><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>x</m:mi><m:mo>-</m:mo><m:mi>y</m:mi><m:mo>=</m:mo><m:mn>0</m:mn></m:mrow></m:math></td><td align="left">&nbsp;&nbsp;&nbsp;</td><td align="left"><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo><m:mn>2</m:mn><m:mi mathvariant="italic">xy</m:mi><m:mo>+</m:mo>

<m:msup><m:mrow><m:mi>y</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>=</m:mo><m:mn>0</m:mn></m:mrow></m:math> </td></tr>

<tr><td align="left"><b>b)</b></td><td align="left">&nbsp;&nbsp;&nbsp;</td><td align="left"><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow>

<m:msup><m:mrow><m:mi>a</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>+</m:mo><m:mn>2</m:mn><m:mi mathvariant="italic">ab</m:mi><m:mo>+</m:mo>

<m:msup><m:mrow><m:mi>b</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>=</m:mo><m:mn>4</m:mn></m:mrow></m:math></td><td align="left">&nbsp;&nbsp;&nbsp;</td><td align="left"><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>a</m:mi><m:mo>+</m:mo><m:mi>b</m:mi><m:mo>=</m:mo><m:mn>2</m:mn></m:mrow></m:math> </td></tr>

<tr><td align="left"><b>c)</b></td><td align="left">&nbsp;&nbsp;&nbsp;</td><td align="left"><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>6</m:mn><m:mi>p</m:mi><m:mo>-</m:mo><m:mn>8</m:mn><m:mi>q</m:mi><m:mo>=</m:mo><m:mn>14</m:mn></m:mrow></m:math></td><td align="left">&nbsp;&nbsp;&nbsp;</td><td align="left"><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>15</m:mn><m:mi>p</m:mi><m:mo>-</m:mo><m:mn>20</m:mn><m:mi>p</m:mi><m:mo>-</m:mo><m:mn>35</m:mn><m:mo>=</m:mo><m:mn>0</m:mn></m:mrow></m:math> </td></tr>

<tr><td align="left"><b>d)</b></td><td align="left">&nbsp;&nbsp;&nbsp;</td><td align="left"><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>u</m:mi><m:mo>&middot;</m:mo><m:mi>v</m:mi><m:mo>=</m:mo><m:mn>0</m:mn></m:mrow></m:math></td><td align="left">&nbsp;&nbsp;&nbsp;</td><td align="left"><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow>

<m:msup><m:mrow><m:mi>u</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>+</m:mo>

<m:msup><m:mrow><m:mi>v</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>=</m:mo><m:mn>0</m:mn></m:mrow></m:math></td></tr></table>

<div class="p"><!----></div>

Válasszuk ki, hogy hány esetben lehet ezt megtenni (a fenti négyből)!

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>0</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>1</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>2</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>3</m:mn></m:mrow></m:math> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>4</m:mn></m:mrow></m:math><br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

<div class="p"><!----></div>

  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

<div class="p"><!----></div>

TtM may be used and distributed under the terms of the GPL version 2.
<br />&nbsp;<br /><div align="right">[ <a class="link" href="exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_362_teszt" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_362_teszt'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 19.2.</b><br /> <a name="a_i_egy2_kisposa_060520_01_teszt" /><a href="bib_box.php?mode=sne---j-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=sne---j-&amp;citation_num='); return false;"></a>Jelöljük koordinátarendszerben az <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>-</m:mo><m:mi>y</m:mi><m:mo stretchy="false">)</m:mo><m:mo stretchy="false">(</m:mo><m:mn>3</m:mn><m:mi>y</m:mi><m:mo>-</m:mo><m:mi>x</m:mi><m:mo stretchy="false">)</m:mo><m:mo>=</m:mo><m:mn>0</m:mn></m:mrow></m:math> egyenlet megoldáshalmazát! (Melyek azok a <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>P</m:mi><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>;</m:mo><m:mi>y</m:mi><m:mo stretchy="false">)</m:mo></m:mrow></m:math> pontok

a síkban, amelyeknek koordinátáira teljesül a megadott

összefüggés?) 

Melyik ábra helyes?

<div class="p"><!----></div>

<a name="fig:a_i_egy2_kisposa_060520_01_teszt" /><div align="center"><img src="/cache/figures/chs_a_i/a_i_egy2_kisposa_060520_01_teszt.png" /><br />1. ábra</div>

<div class="p"><!----></div>

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; <a href="#fig:a_i_egy2_kisposa_060520_01_teszt" target="_self">1</a>. a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; <a href="#fig:a_i_egy2_kisposa_060520_01_teszt" target="_self">1</a>. b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; <a href="#fig:a_i_egy2_kisposa_060520_01_teszt" target="_self">1</a>. c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; <a href="#fig:a_i_egy2_kisposa_060520_01_teszt" target="_self">1</a>. d) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; egyik sem<br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

<div class="p"><!----></div>

  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

<div class="p"><!----></div>

TtM may be used and distributed under the terms of the GPL version 2.
<br />&nbsp;<br /><div align="right">[ <a class="link" href="exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_egy2_kisposa_060520_01_teszt" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_egy2_kisposa_060520_01_teszt'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 19.3.</b><br /> <a name="algI_GHP_043_teszt" /><a href="bib_box.php?mode=sne---j-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=sne---j-&amp;citation_num='); return false;"></a>Adjuk meg az alábbi egyenlet megoldáshalmazát!

<div class="p"><!----></div>

<br />

<table width="100%"><tr><td align="center">

    <m:math xmlns="http://www.w3.org/1998/Math/MathML">

    <m:mstyle displaystyle="true"><m:mrow><m:mo stretchy="false">(</m:mo><m:mn>3</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>1</m:mn><m:mo stretchy="false">)</m:mo><m:mo>&middot;</m:mo><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>2</m:mn><m:mo stretchy="false">)</m:mo><m:mo>=</m:mo><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>2</m:mn><m:mo stretchy="false">)</m:mo><m:mo>&middot;</m:mo><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>1</m:mn><m:mo stretchy="false">)</m:mo></m:mrow>

    </m:mstyle></m:math>

</td></tr></table>

<br />

<div class="p"><!----></div>

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">{</m:mo><m:mn>1</m:mn><m:mo stretchy="false">}</m:mo></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">{</m:mo><m:mo>-</m:mo><m:mn>1</m:mn><m:mo stretchy="false">}</m:mo></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">{</m:mo><m:mn>2</m:mn><m:mo stretchy="false">}</m:mo></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">{</m:mo><m:mo>-</m:mo><m:mn>1</m:mn><m:mo>,</m:mo><m:mi>&emsp;&emsp;&emsp;</m:mi><m:mn>2</m:mn><m:mo stretchy="false">}</m:mo></m:mrow></m:math> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; egyik sem<br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

<div class="p"><!----></div>

  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

<div class="p"><!----></div>

TtM may be used and distributed under the terms of the GPL version 2.
<br />&nbsp;<br /><div align="right">[ <a class="link" href="exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_043_teszt" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_043_teszt'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 19.4.</b><br /> <a name="algI_GHP_351_teszt" /><a href="bib_box.php?mode=sne---j-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=sne---j-&amp;citation_num='); return false;"></a>Melyik megoldás jó? 

<div class="p"><!----></div>

<br />

<table width="100%"><tr><td align="center">

    <m:math xmlns="http://www.w3.org/1998/Math/MathML">

    <m:mstyle displaystyle="true"><m:mrow>

<m:mfrac><m:mrow><m:mn>6</m:mn><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>6</m:mn></m:mrow>

<m:mrow><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>3</m:mn></m:mrow>

</m:mfrac>

<m:mo>+</m:mo>

<m:mfrac><m:mrow><m:mn>3</m:mn><m:mo>-</m:mo><m:mn>4</m:mn><m:mi>x</m:mi></m:mrow>

<m:mrow><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>3</m:mn></m:mrow>

</m:mfrac>

<m:mo>=</m:mo><m:mn>0</m:mn></m:mrow>

    </m:mstyle></m:math>

</td></tr></table>

<br />

<div class="p"><!----></div>

<b>I. megoldás:</b> Végezzük el az osztásokat:

<div class="p"><!----></div>

<br />

<table width="100%"><tr><td align="center">

    <m:math xmlns="http://www.w3.org/1998/Math/MathML">

    <m:mstyle displaystyle="true"><m:mrow>

<m:mtable>

<m:mtr><m:mtd columnalign="right"><m:mrow>

<m:mfrac><m:mrow><m:mn>6</m:mn><m:mi>x</m:mi></m:mrow>

<m:mrow><m:mn>2</m:mn><m:mi>x</m:mi></m:mrow>

</m:mfrac>

<m:mo>-</m:mo>

<m:mfrac><m:mrow><m:mn>6</m:mn></m:mrow>

<m:mrow><m:mn>2</m:mn><m:mi>x</m:mi></m:mrow>

</m:mfrac>

<m:mo>+</m:mo>

<m:mfrac><m:mrow><m:mn>6</m:mn><m:mi>x</m:mi></m:mrow>

<m:mrow><m:mn>3</m:mn></m:mrow>

</m:mfrac>

<m:mo>-</m:mo>

<m:mfrac><m:mrow><m:mn>6</m:mn></m:mrow>

<m:mrow><m:mn>3</m:mn></m:mrow>

</m:mfrac>

<m:mo>+</m:mo>

<m:mfrac><m:mrow><m:mn>3</m:mn></m:mrow>

<m:mrow><m:mn>2</m:mn><m:mi>x</m:mi></m:mrow>

</m:mfrac>

<m:mo>-</m:mo>

<m:mfrac><m:mrow><m:mn>4</m:mn><m:mi>x</m:mi></m:mrow>

<m:mrow><m:mn>2</m:mn><m:mi>x</m:mi></m:mrow>

</m:mfrac>

<m:mo>+</m:mo>

<m:mfrac><m:mrow><m:mn>3</m:mn></m:mrow>

<m:mrow><m:mn>3</m:mn></m:mrow>

</m:mfrac>

<m:mo>-</m:mo>

<m:mfrac><m:mrow><m:mn>4</m:mn><m:mi>x</m:mi></m:mrow>

<m:mrow><m:mn>3</m:mn></m:mrow>

</m:mfrac>

</m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mn>0</m:mn></m:mrow></m:mtd></m:mtr>

<m:mtr><m:mtd columnalign="right"><m:mrow><m:mn>3</m:mn><m:mo>-</m:mo><m:mn>3</m:mn>

<m:mfrac><m:mrow><m:mn>1</m:mn></m:mrow>

<m:mrow><m:mi>x</m:mi></m:mrow>

</m:mfrac>

<m:mo>+</m:mo><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>2</m:mn><m:mo>+</m:mo>

<m:mfrac><m:mrow><m:mn>3</m:mn></m:mrow>

<m:mrow><m:mn>2</m:mn></m:mrow>

</m:mfrac>

<m:mfrac><m:mrow><m:mn>1</m:mn></m:mrow>

<m:mrow><m:mi>x</m:mi></m:mrow>

</m:mfrac>

<m:mo>-</m:mo><m:mn>2</m:mn><m:mo>+</m:mo><m:mn>1</m:mn><m:mo>-</m:mo>

<m:mfrac><m:mrow><m:mn>4</m:mn></m:mrow>

<m:mrow><m:mn>3</m:mn></m:mrow>

</m:mfrac>

<m:mi>x</m:mi></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mn>0</m:mn></m:mrow></m:mtd></m:mtr>

<m:mtr><m:mtd columnalign="right"><m:mrow>

<m:mfrac><m:mrow><m:mn>2</m:mn></m:mrow>

<m:mrow><m:mn>3</m:mn></m:mrow>

</m:mfrac>

<m:mi>x</m:mi><m:mo>-</m:mo>

<m:mfrac><m:mrow><m:mn>3</m:mn></m:mrow>

<m:mrow><m:mn>2</m:mn></m:mrow>

</m:mfrac>

<m:mfrac><m:mrow><m:mn>1</m:mn></m:mrow>

<m:mrow><m:mi>x</m:mi></m:mrow>

</m:mfrac>

</m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mn>0</m:mn></m:mrow></m:mtd></m:mtr>

<m:mtr><m:mtd columnalign="right"><m:mrow>

<m:mfrac><m:mrow><m:mn>2</m:mn></m:mrow>

<m:mrow><m:mn>3</m:mn></m:mrow>

</m:mfrac>

<m:mi>x</m:mi></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo>

<m:mfrac><m:mrow><m:mn>3</m:mn></m:mrow>

<m:mrow><m:mn>2</m:mn></m:mrow>

</m:mfrac>

<m:mfrac><m:mrow><m:mn>1</m:mn></m:mrow>

<m:mrow><m:mi>x</m:mi></m:mrow>

</m:mfrac>

</m:mrow></m:mtd></m:mtr>

<m:mtr><m:mtd columnalign="right"><m:mrow>

<m:mfrac><m:mrow><m:mn>2</m:mn></m:mrow>

<m:mrow><m:mn>3</m:mn></m:mrow>

</m:mfrac>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

</m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo>

<m:mfrac><m:mrow><m:mn>3</m:mn></m:mrow>

<m:mrow><m:mn>2</m:mn></m:mrow>

</m:mfrac>

</m:mrow></m:mtd></m:mtr>

<m:mtr><m:mtd columnalign="right"><m:mrow>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

</m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo>

<m:msup><m:mrow><m:mo>(</m:mo>

<m:mfrac><m:mrow><m:mn>3</m:mn></m:mrow>

<m:mrow><m:mn>2</m:mn></m:mrow>

</m:mfrac>

<m:mo>)</m:mo></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

</m:mrow></m:mtd></m:mtr>

<m:mtr><m:mtd columnalign="right"><m:mrow><m:mi>x</m:mi><m:mo>=</m:mo>

<m:mfrac><m:mrow><m:mn>3</m:mn></m:mrow>

<m:mrow><m:mn>2</m:mn></m:mrow>

</m:mfrac>

<m:mtext>  vagy  </m:mtext>

</m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mi>x</m:mi><m:mo>=</m:mo><m:mo>-</m:mo>

<m:mfrac><m:mrow><m:mn>3</m:mn></m:mrow>

<m:mrow><m:mn>2</m:mn></m:mrow>

</m:mfrac>

</m:mrow></m:mtd></m:mtr></m:mtable>

</m:mrow>

    </m:mstyle></m:math>

</td></tr></table>

<br />

<div class="p"><!----></div>

<br /><b>II. megoldás:</b>

<div class="p"><!----></div>

<br />

<table width="100%"><tr><td align="center">

    <m:math xmlns="http://www.w3.org/1998/Math/MathML">

    <m:mstyle displaystyle="true"><m:mrow>

<m:mfrac><m:mrow><m:mn>6</m:mn><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>6</m:mn></m:mrow>

<m:mrow><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>3</m:mn></m:mrow>

</m:mfrac>

<m:mo>+</m:mo>

<m:mfrac><m:mrow><m:mn>3</m:mn><m:mo>-</m:mo><m:mn>4</m:mn><m:mi>x</m:mi></m:mrow>

<m:mrow><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>3</m:mn></m:mrow>

</m:mfrac>

<m:mo>=</m:mo><m:mn>0</m:mn></m:mrow>

    </m:mstyle></m:math>

</td></tr></table>

<br />

<div class="p"><!----></div>

Szorozzunk át <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>3</m:mn><m:mo stretchy="false">)</m:mo></m:mrow></m:math>-mal:

<div class="p"><!----></div>

<br />

<table width="100%"><tr><td align="center">

    <m:math xmlns="http://www.w3.org/1998/Math/MathML">

    <m:mstyle displaystyle="true"><m:mrow>

<m:mtable>

<m:mtr><m:mtd columnalign="right"><m:mrow><m:mo stretchy="false">(</m:mo><m:mn>6</m:mn><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>6</m:mn><m:mo stretchy="false">)</m:mo><m:mo>+</m:mo><m:mo stretchy="false">(</m:mo><m:mn>3</m:mn><m:mo>-</m:mo><m:mn>4</m:mn><m:mi>x</m:mi><m:mo stretchy="false">)</m:mo></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mn>0</m:mn></m:mrow></m:mtd></m:mtr>

<m:mtr><m:mtd columnalign="right"><m:mrow><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>3</m:mn></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mn>0</m:mn></m:mrow></m:mtd></m:mtr>

<m:mtr><m:mtd columnalign="right"><m:mrow><m:mn>2</m:mn><m:mi>x</m:mi></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mn>3</m:mn></m:mrow></m:mtd></m:mtr>

<m:mtr><m:mtd columnalign="right"><m:mrow><m:mi>x</m:mi></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo>

<m:mfrac><m:mrow><m:mn>3</m:mn></m:mrow>

<m:mrow><m:mn>2</m:mn></m:mrow>

</m:mfrac>

<m:mo>.</m:mo></m:mrow></m:mtd></m:mtr></m:mtable>

</m:mrow>

    </m:mstyle></m:math>

</td></tr></table>

<br />

<div class="p"><!----></div>

<br /><b>III. megoldás:</b>

<div class="p"><!----></div>

Rendezzük az egyenletet:

<br />

<table width="100%"><tr><td align="center">

    <m:math xmlns="http://www.w3.org/1998/Math/MathML">

    <m:mstyle displaystyle="true"><m:mrow>

<m:mfrac><m:mrow><m:mn>6</m:mn><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>6</m:mn></m:mrow>

<m:mrow><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>3</m:mn></m:mrow>

</m:mfrac>

<m:mo>=</m:mo><m:mo>-</m:mo>

<m:mfrac><m:mrow><m:mn>3</m:mn><m:mo>-</m:mo><m:mn>4</m:mn><m:mi>x</m:mi></m:mrow>

<m:mrow><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>3</m:mn></m:mrow>

</m:mfrac>

</m:mrow>

    </m:mstyle></m:math>

</td></tr></table>

<br />

Átszorzunk <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>3</m:mn><m:mo stretchy="false">)</m:mo></m:mrow></m:math>-mal:

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>6</m:mn><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>6</m:mn><m:mo>=</m:mo><m:mo>-</m:mo><m:mn>3</m:mn><m:mo>-</m:mo><m:mn>4</m:mn><m:mi>x</m:mi></m:mrow></m:math>, majd rendezünk:

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>10</m:mn><m:mi>x</m:mi><m:mo>=</m:mo><m:mn>3</m:mn></m:mrow></m:math>,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>x</m:mi><m:mo>=</m:mo>

<m:mfrac><m:mrow><m:mn>3</m:mn></m:mrow>

<m:mrow><m:mn>10</m:mn></m:mrow>

</m:mfrac>

</m:mrow></m:math>.

<div class="p"><!----></div>

<br /><b>IV. megoldás:</b>

Rendezzük az egyenletet:

<br />

<table width="100%"><tr><td align="center">

    <m:math xmlns="http://www.w3.org/1998/Math/MathML">

    <m:mstyle displaystyle="true"><m:mrow>

<m:mfrac><m:mrow><m:mn>6</m:mn><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>6</m:mn></m:mrow>

<m:mrow><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>3</m:mn></m:mrow>

</m:mfrac>

<m:mo>=</m:mo><m:mo>-</m:mo>

<m:mfrac><m:mrow><m:mn>3</m:mn><m:mo>-</m:mo><m:mn>4</m:mn><m:mi>x</m:mi></m:mrow>

<m:mrow><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>3</m:mn></m:mrow>

</m:mfrac>

</m:mrow>

    </m:mstyle></m:math>

</td></tr></table>

<br />

Vegyük mindkét oldal reciprokát!

<br />

<table width="100%"><tr><td align="center">

    <m:math xmlns="http://www.w3.org/1998/Math/MathML">

    <m:mstyle displaystyle="true"><m:mrow>

<m:mfrac><m:mrow><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>3</m:mn></m:mrow>

<m:mrow><m:mn>6</m:mn><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>6</m:mn></m:mrow>

</m:mfrac>

<m:mo>=</m:mo><m:mo>-</m:mo>

<m:mfrac><m:mrow><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>3</m:mn></m:mrow>

<m:mrow><m:mn>3</m:mn><m:mo>-</m:mo><m:mn>4</m:mn><m:mi>x</m:mi></m:mrow>

</m:mfrac>

</m:mrow>

    </m:mstyle></m:math>

</td></tr></table>

<br />

Most két esetet különböztethetünk meg.

<div class="p"><!----></div>

<b>I. eset</b> <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>3</m:mn><m:mo>=</m:mo><m:mn>0</m:mn></m:mrow></m:math>, azaz <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>x</m:mi><m:mo>=</m:mo><m:mo>-</m:mo>

<m:mfrac><m:mrow><m:mn>3</m:mn></m:mrow>

<m:mrow><m:mn>2</m:mn></m:mrow>

</m:mfrac>

</m:mrow></m:math>.

Ilyenkor mindkét oldal zérus értékű, az egyenlet teljesül. 

<div class="p"><!----></div>

<b>II. eset</b> <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>3</m:mn><m:mo>&ne;</m:mo><m:mn>0</m:mn></m:mrow></m:math>, azaz <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>x</m:mi><m:mo>&ne;</m:mo><m:mo>-</m:mo>

<m:mfrac><m:mrow><m:mn>3</m:mn></m:mrow>

<m:mrow><m:mn>2</m:mn></m:mrow>

</m:mfrac>

</m:mrow></m:math>.

Most leoszthatunk <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>3</m:mn><m:mo stretchy="false">)</m:mo></m:mrow></m:math>-mal: 

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow>

<m:mfrac><m:mrow><m:mn>1</m:mn></m:mrow>

<m:mrow><m:mn>6</m:mn><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>6</m:mn></m:mrow>

</m:mfrac>

<m:mo>=</m:mo><m:mo>-</m:mo>

<m:mfrac><m:mrow><m:mn>1</m:mn></m:mrow>

<m:mrow><m:mn>3</m:mn><m:mo>-</m:mo><m:mn>4</m:mn><m:mi>x</m:mi></m:mrow>

</m:mfrac>

</m:mrow></m:math>, azaz 

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>3</m:mn><m:mo>-</m:mo><m:mn>4</m:mn><m:mi>x</m:mi><m:mo>=</m:mo><m:mo>-</m:mo><m:mo stretchy="false">(</m:mo><m:mn>6</m:mn><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>6</m:mn><m:mo stretchy="false">)</m:mo></m:mrow></m:math>, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>3</m:mn><m:mo>-</m:mo><m:mn>4</m:mn><m:mi>x</m:mi><m:mo>=</m:mo><m:mo>-</m:mo><m:mn>6</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>6</m:mn></m:mrow></m:math>, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>=</m:mo><m:mn>3</m:mn></m:mrow></m:math>, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>x</m:mi><m:mo>=</m:mo>

<m:mfrac><m:mrow><m:mn>3</m:mn></m:mrow>

<m:mrow><m:mn>2</m:mn></m:mrow>

</m:mfrac>

</m:mrow></m:math>.

<div class="p"><!----></div>

Tehát az egyenletnek két megoldása van: <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>x</m:mi><m:mo>=</m:mo><m:mo>&PlusMinus;</m:mo>

<m:mfrac><m:mrow><m:mn>3</m:mn></m:mrow>

<m:mrow><m:mn>2</m:mn></m:mrow>

</m:mfrac>

</m:mrow></m:math>.

<div class="p"><!----></div>

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; I.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; II.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; III.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; IV. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; I. és IV.<br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

<div class="p"><!----></div>

  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

<div class="p"><!----></div>

TtM may be used and distributed under the terms of the GPL version 2.
<br />&nbsp;<br /><div align="right">[ <a class="link" href="exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_351_teszt" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_351_teszt'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 19.5.</b><br /> <a name="algI_GHP_354_teszt" /><a href="bib_box.php?mode=sne---j-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=sne---j-&amp;citation_num='); return false;"></a><br />

<table width="100%"><tr><td align="center">

    <m:math xmlns="http://www.w3.org/1998/Math/MathML">

    <m:mstyle displaystyle="true"><m:mrow><m:mn>2</m:mn><m:mi>a</m:mi><m:mo>-</m:mo><m:mn>3</m:mn><m:mi>b</m:mi><m:mo>+</m:mo><m:mn>5</m:mn><m:mo>=</m:mo><m:mn>0</m:mn></m:mrow>

    </m:mstyle></m:math>

</td></tr></table>

<br />

Gyűjtsük egy <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>K</m:mi></m:mrow></m:math> halmazba az alábbiak közül azokat az állításokat, amelyek következnek a fenti állításból és tegyük az <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>L</m:mi></m:mrow></m:math> halmazba azokat az állításokat, amelyekből következik a  fenti állítás (egy állítás lehet egyszerre <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>L</m:mi></m:mrow></m:math>-ben és <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>K</m:mi></m:mrow></m:math>-ban is)!

Például, ha <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>x</m:mi><m:mo>=</m:mo><m:mn>3</m:mn></m:mrow></m:math>, akkor <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>=</m:mo><m:mn>9</m:mn></m:mrow></m:math> biztosan igaz, tehát az <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>x</m:mi><m:mo>=</m:mo><m:mn>3</m:mn></m:mrow></m:math>

állításból következik az <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>=</m:mo><m:mn>9</m:mn></m:mrow></m:math> állítás. Az  <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>=</m:mo><m:mn>9</m:mn></m:mrow></m:math> állításból

viszont nem következik az <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi><m:mi>x</m:mi><m:mo>=</m:mo><m:mn>3</m:mn></m:mrow></m:math>, mert ha <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>=</m:mo><m:mn>9</m:mn></m:mrow></m:math> igaz, akkor

még nem biztos, hogy <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi><m:mi>x</m:mi><m:mo>=</m:mo><m:mn>3</m:mn></m:mrow></m:math>, lehet, hogy <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi><m:mi>x</m:mi><m:mo>=</m:mo><m:mo>-</m:mo><m:mn>3</m:mn></m:mrow></m:math>. 

<div class="p"><!----></div>

<br /><br /><b>I.</b>

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mn>2</m:mn><m:mi>a</m:mi><m:mo>-</m:mo><m:mn>3</m:mn><m:mi>b</m:mi>

<m:msup><m:mrow><m:mo stretchy="false">)</m:mo></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>=</m:mo><m:mo>-</m:mo><m:mn>25</m:mn></m:mrow></m:math> 

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<b>II.</b>

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>b</m:mi><m:mo>=</m:mo><m:mo>-</m:mo><m:mi>a</m:mi><m:mo>=</m:mo><m:mn>1</m:mn></m:mrow></m:math> 

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<b>III.</b>

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">&verbar;</m:mo><m:mn>2</m:mn><m:mi>a</m:mi><m:mo>-</m:mo><m:mn>3</m:mn><m:mi>b</m:mi><m:mo stretchy="false">&verbar;</m:mo><m:mo>=</m:mo><m:mn>5</m:mn></m:mrow></m:math> 

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<b>IV.</b>

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>3</m:mn><m:mi>b</m:mi><m:mo>-</m:mo><m:mn>2</m:mn><m:mi>a</m:mi><m:mo>=</m:mo><m:msqrt><m:mrow><m:mn>25</m:mn></m:mrow></m:msqrt></m:mrow></m:math> 

<br /><m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>&ensp;</m:mi></m:mrow></m:math><br />

<b>V.</b>

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>3</m:mn><m:mi>b</m:mi><m:mo>=</m:mo><m:mn>2</m:mn><m:mi>a</m:mi><m:mo>+</m:mo><m:mn>5</m:mn></m:mrow></m:math>

<br />

<div class="p"><!----></div>

<br />Melyik a helyes csoportosítás?

<div class="p"><!----></div>

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>K</m:mi><m:mo>=</m:mo><m:mo stretchy="false">{</m:mo><m:mi mathvariant="italic">III</m:mi><m:mo>.</m:mo><m:mo>,</m:mo><m:mi mathvariant="italic">IV</m:mi><m:mo>.</m:mo><m:mo>,</m:mo><m:mi>V</m:mi><m:mo>.</m:mo><m:mo stretchy="false">}</m:mo><m:mo>,</m:mo><m:mi>L</m:mi><m:mo>=</m:mo><m:mo stretchy="false">{</m:mo><m:mi mathvariant="italic">II</m:mi><m:mo>.</m:mo><m:mo>,</m:mo><m:mi mathvariant="italic">IV</m:mi><m:mo>.</m:mo><m:mo>,</m:mo><m:mi>V</m:mi><m:mo>.</m:mo><m:mo stretchy="false">}</m:mo></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>K</m:mi><m:mo>=</m:mo><m:mo stretchy="false">{</m:mo><m:mi>I</m:mi><m:mo>.</m:mo><m:mo>,</m:mo><m:mi mathvariant="italic">III</m:mi><m:mo>.</m:mo><m:mo>,</m:mo><m:mi>V</m:mi><m:mo>.</m:mo><m:mo stretchy="false">}</m:mo><m:mo>,</m:mo><m:mi>L</m:mi><m:mo>=</m:mo><m:mo stretchy="false">{</m:mo><m:mi mathvariant="italic">IV</m:mi><m:mo>.</m:mo><m:mo>,</m:mo><m:mi>V</m:mi><m:mo>.</m:mo><m:mo stretchy="false">}</m:mo></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>K</m:mi><m:mo>=</m:mo><m:mo stretchy="false">{</m:mo><m:mi mathvariant="italic">III</m:mi><m:mo>.</m:mo><m:mo>,</m:mo><m:mi mathvariant="italic">IV</m:mi><m:mo>.</m:mo><m:mo>,</m:mo><m:mi>V</m:mi><m:mo>.</m:mo><m:mo stretchy="false">}</m:mo><m:mo>,</m:mo><m:mi>L</m:mi><m:mo>=</m:mo><m:mo stretchy="false">{</m:mo><m:mi>V</m:mi><m:mo>.</m:mo><m:mo stretchy="false">}</m:mo></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>K</m:mi><m:mo>=</m:mo><m:mo stretchy="false">{</m:mo><m:mi mathvariant="italic">IV</m:mi><m:mo>.</m:mo><m:mo>,</m:mo><m:mi>V</m:mi><m:mo>.</m:mo><m:mo stretchy="false">}</m:mo><m:mo>,</m:mo><m:mi>L</m:mi><m:mo>=</m:mo><m:mo stretchy="false">{</m:mo><m:mi>I</m:mi><m:mo>.</m:mo><m:mo>,</m:mo><m:mi mathvariant="italic">II</m:mi><m:mo>.</m:mo><m:mo>,</m:mo><m:mi mathvariant="italic">III</m:mi><m:mo>.</m:mo><m:mo stretchy="false">}</m:mo></m:mrow></m:math> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; egyik sem helyes<br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

<div class="p"><!----></div>

  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

<div class="p"><!----></div>

TtM may be used and distributed under the terms of the GPL version 2.
<br />&nbsp;<br /><div align="right">[ <a class="link" href="exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_354_teszt" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_354_teszt'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 19.6.</b><br /> <a name="algI_GHP_416_teszt" /><a href="bib_box.php?mode=sne---j-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=sne---j-&amp;citation_num='); return false;"></a>Egy <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>36</m:mn></m:mrow></m:math> cm<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow>

<m:msup><m:mrow></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

</m:mrow></m:math> területű téglalap egyik párhuzamos oldalpárját  

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>4</m:mn></m:mrow></m:math> cm-rel növelve, a másik párhuzamos oldalpárt <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>5</m:mn></m:mrow></m:math> cm-rel csökkentve négyzetet kapunk. 

Határozzuk meg az így kapott négyzet oldalát!

<div class="p"><!----></div>

Jelölje <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>x</m:mi></m:mrow></m:math> a négyzet oldalát cm-ben. Melyik egyenlet írja le a feladatot?

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>4</m:mn><m:mo stretchy="false">)</m:mo><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>5</m:mn><m:mo stretchy="false">)</m:mo><m:mo>=</m:mo><m:mn>36</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>4</m:mn><m:mo stretchy="false">)</m:mo><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>5</m:mn><m:mo stretchy="false">)</m:mo><m:mo>=</m:mo><m:mn>36</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>4</m:mn><m:mo stretchy="false">)</m:mo><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>5</m:mn><m:mo stretchy="false">)</m:mo><m:mo>=</m:mo><m:mn>36</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>4</m:mn><m:mo stretchy="false">)</m:mo><m:mo stretchy="false">(</m:mo><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>5</m:mn><m:mo stretchy="false">)</m:mo><m:mo>=</m:mo><m:mn>36</m:mn></m:mrow></m:math> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; egyik sem<br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

<div class="p"><!----></div>

  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

<div class="p"><!----></div>

TtM may be used and distributed under the terms of the GPL version 2.
<br />&nbsp;<br /><div align="right">[ <a class="link" href="exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_416_teszt" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_416_teszt'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 19.7.</b><br /> <a name="algI_GHP_419_teszt" /><a href="bib_box.php?mode=sne---j-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=sne---j-&amp;citation_num='); return false;"></a>Hány egész szám elégíti ki az alábbi egyenletet?

<br />

<table width="100%"><tr><td align="center">

    <m:math xmlns="http://www.w3.org/1998/Math/MathML">

    <m:mstyle displaystyle="true"><m:mrow><m:mo stretchy="false">(</m:mo>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>5</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo><m:mi>x</m:mi><m:mo stretchy="false">)</m:mo><m:mo stretchy="false">(</m:mo>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>3</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo><m:mn>6</m:mn>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>+</m:mo><m:mn>9</m:mn><m:mi>x</m:mi><m:mo stretchy="false">)</m:mo><m:mo>=</m:mo><m:mn>0</m:mn></m:mrow>

    </m:mstyle></m:math>

</td></tr></table>

<br />

<div class="p"><!----></div>

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; legfeljebb egy&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; kettő&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; három&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; négy &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; legalább öt<br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

<div class="p"><!----></div>

  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

<div class="p"><!----></div>

TtM may be used and distributed under the terms of the GPL version 2.
<br />&nbsp;<br /><div align="right">[ <a class="link" href="exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_419_teszt" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_419_teszt'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 19.8.</b><br /> <a name="algI_GHP_421_teszt" /><a href="bib_box.php?mode=sne---j-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=sne---j-&amp;citation_num='); return false;"></a>Hány olyan <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>q</m:mi></m:mrow></m:math> érték van, amelyre a

<m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>3</m:mn>

<m:msup><m:mrow><m:mi>x</m:mi></m:mrow><m:mrow><m:mn>2</m:mn></m:mrow>

</m:msup>

<m:mo>-</m:mo><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mi>q</m:mi><m:mo>=</m:mo><m:mn>0</m:mn></m:mrow></m:math> egyenlet

egyik gyöke a <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>2</m:mn></m:mrow></m:math>?

<div class="p"><!----></div>

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; nincs ilyen&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; egy&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; kettő&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; három &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; legalább négy<br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

<div class="p"><!----></div>

  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

<div class="p"><!----></div>

TtM may be used and distributed under the terms of the GPL version 2.
<br />&nbsp;<br /><div align="right">[ <a class="link" href="exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_421_teszt" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_421_teszt'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 19.9.</b><br /> <a name="algI_GHP_426_teszt" />[<a href="bib_box.php?mode=sne---j-&amp;citation_num=65" target="bib_box" onclick="mutat('bib_box.php?mode=sne---j-&amp;citation_num=65'); return false;">65</a>] Egy szabályos <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>n</m:mi></m:mrow></m:math>-szögnek ötször annyi átlója van, mint oldala. Mekkora lehet az <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>n</m:mi></m:mrow></m:math>?

<div class="p"><!----></div>

Az <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>n</m:mi></m:mrow></m:math> szám utolsó jegye tízes számrendszerben:

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>0</m:mn></m:mrow></m:math> vagy <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>1</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>2</m:mn></m:mrow></m:math> vagy <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>3</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>4</m:mn></m:mrow></m:math> vagy <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>5</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>6</m:mn></m:mrow></m:math> vagy <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>7</m:mn></m:mrow></m:math> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>8</m:mn></m:mrow></m:math> vagy <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>9</m:mn></m:mrow></m:math><br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

<div class="p"><!----></div>

  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

<div class="p"><!----></div>

TtM may be used and distributed under the terms of the GPL version 2.
<br />&nbsp;<br /><div align="right">[ <a class="link" href="exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_426_teszt" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_426_teszt'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 19.10.</b><br /> <a name="algI_GHP_426_02teszt" /><a href="bib_box.php?mode=sne---j-&amp;citation_num=" target="bib_box" onclick="mutat('bib_box.php?mode=sne---j-&amp;citation_num='); return false;"></a>Egy szabályos <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>n</m:mi></m:mrow></m:math>-szög átlóinak száma <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>90</m:mn></m:mrow></m:math>-nel nagyobb az oldalak számának  két és félszereresénél. Mekkora lehet az <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>n</m:mi></m:mrow></m:math>?

<div class="p"><!----></div>

Az <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>n</m:mi></m:mrow></m:math> szám utolsó jegye tízes számrendszerben:

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>0</m:mn></m:mrow></m:math> vagy <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>1</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>2</m:mn></m:mrow></m:math> vagy <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>3</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>4</m:mn></m:mrow></m:math> vagy <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>5</m:mn></m:mrow></m:math>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>6</m:mn></m:mrow></m:math> vagy <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>7</m:mn></m:mrow></m:math> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>8</m:mn></m:mrow></m:math> vagy <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>9</m:mn></m:mrow></m:math><br />

y default: it reads from stdin and writes to stdout.

But a non-switch argument specifies the file[.tex] to translate to file.xml.

Diagnostics concerning unknown or untranslated constructs are sent to stderr.

<div class="p"><!----></div>

  Obtain USAGE </td><td width="150">

 switch information by:   ttm -?

  Obtain QUALIFICATIONS by:               ttm -?q

<div class="p"><!----></div>

TtM may be used and distributed under the terms of the GPL version 2.
<br />&nbsp;<br /><div align="right">[ <a class="link" href="exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_426_02teszt" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_426_02teszt'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>
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