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</div></div><div align="center" class="tochead"><h1>21. FEJEZET: Egyenletrendszerek (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: 21.1.</b><br /> <a name="a_i_egyrszr_HAFT_060519_03_teszt01" /><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>Az <a href="#fig:a_i_egyrszr_HAFT_060519_03_teszt01fel" target="_self">1</a>. ábrán az 

<br />

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

<m:mrow><m:mi>x</m:mi><m:mo>&rarr;</m:mo><m:mn>4</m:mn><m:mo>-</m:mo><m:mi>x</m:mi></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 />

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

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

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

<m:mrow><m:mi>x</m:mi><m:mo>&rarr;</m:mo>

<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>6</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>4</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 />

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

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

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

<m:mrow><m:mi>x</m:mi><m:mo>&rarr;</m:mo><m:mo stretchy="false">[</m:mo><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>5</m:mn><m:mo>,</m:mo><m:mn>9</m:mn><m:mo stretchy="false">]</m:mo></m:mrow></m:math>

<br />

 függvények grafikonjai láthatók.

Olvassuk le az ábráról az alábbi egyenletrendszerek megoldásainak számát!

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

<a name="fig:a_i_egyrszr_HAFT_060519_03_teszt01fel" /><div align="center"><img src="/cache/figures/chs_a_i/a_i_egyrszr_HAFT_060519_03_teszt01fel.png" /><br />1. ábra</div>

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

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

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

<m:mrow><m:mrow><m:mo>{</m:mo>

<m:mtable>

<m:mtr><m:mtd columnalign="right"><m:mrow><m:mi>y</m:mi></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mn>4</m:mn><m:mo>-</m:mo><m:mi>x</m:mi></m:mrow></m:mtd></m:mtr>

<m:mtr><m:mtd columnalign="right"><m:mrow><m:mi>y</m:mi></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mo stretchy="false">[</m:mo><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>5</m:mn><m:mo>,</m:mo><m:mn>9</m:mn><m:mo stretchy="false">]</m:mo></m:mrow></m:mtd></m:mtr></m:mtable>

<m:mo> </m:mo></m:mrow></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:mrow><m:mo>{</m:mo>

<m:mtable>

<m:mtr><m:mtd columnalign="right"><m:mrow><m:mi>y</m:mi></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mn>4</m:mn><m:mo>-</m:mo><m:mi>x</m:mi></m:mrow></m:mtd></m:mtr>

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

<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>6</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>4</m:mn></m:mrow></m:mtd></m:mtr></m:mtable>

<m:mo> </m:mo></m:mrow></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:mrow><m:mo>{</m:mo>

<m:mtable>

<m:mtr><m:mtd columnalign="right"><m:mrow><m:mi>y</m:mi></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mo stretchy="false">[</m:mo><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>5</m:mn><m:mo>,</m:mo><m:mn>9</m:mn><m:mo stretchy="false">]</m:mo></m:mrow></m:mtd></m:mtr>

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

<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>6</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>4</m:mn></m:mrow></m:mtd></m:mtr></m:mtable>

<m:mo> </m:mo></m:mrow></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:mrow><m:mo>{</m:mo>

<m:mtable>

<m:mtr><m:mtd columnalign="right"><m:mrow><m:mi>y</m:mi></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mo stretchy="false">[</m:mo><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>5</m:mn><m:mo>,</m:mo><m:mn>9</m:mn><m:mo stretchy="false">]</m:mo></m:mrow></m:mtd></m:mtr>

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

<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>6</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>4</m:mn></m:mrow></m:mtd></m:mtr>

<m:mtr><m:mtd columnalign="right"><m:mrow><m:mi>y</m:mi></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mn>4</m:mn><m:mo>-</m:mo><m:mi>x</m:mi></m:mrow></m:mtd></m:mtr></m:mtable>

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

<br />

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

A megoldások száma:

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

<br /><b>A)</b>&nbsp;&nbsp;&nbsp; I. - kettő, II. - egy, III. - kettő, IV. - nulla&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>B)</b>&nbsp;&nbsp;&nbsp; I. - egy, II. - kettő, III. - egy, IV. - egy&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; I. - egy, II. - kettő, III. - három, IV. - egy&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; I. - egy, II. - kettő, III. - három, IV. - négy &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_egyrszr_HAFT_060519_03_teszt01" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_egyrszr_HAFT_060519_03_teszt01'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 21.2.</b><br /> <a name="algI_GHP_377_teszt01" /><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>Oldjuk meg az 

<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:mrow><m:mo> </m:mo>

<m:mtable>

<m:mtr><m:mtd columnalign="right"><m:mrow><m:mn>5</m:mn><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>2</m:mn><m:mi>y</m:mi></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mn>14</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>6</m:mn><m:mi>y</m:mi></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mn>9</m:mn></m:mrow></m:mtd></m:mtr></m:mtable>

<m:mo>}</m:mo></m:mrow></m:mrow>

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

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

<br />

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

egyenletrendszert! A megoldásban az <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>x</m:mi><m:mo>&middot;</m:mo><m:mi>y</m:mi></m:mrow></m:math> szorzat értéke melyik halmazba esik?

<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>x</m:mi><m:mo>&middot;</m:mo><m:mi>y</m:mi><m:mo>&le;</m:mo><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>0</m:mn><m:mo>&lt;</m:mo><m:mi>x</m:mi><m:mo>&middot;</m:mo><m:mi>y</m:mi><m:mo>&le;</m:mo><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>3</m:mn><m:mo>&lt;</m:mo><m:mi>x</m:mi><m:mo>&middot;</m:mo><m:mi>y</m:mi><m:mo>&le;</m:mo><m:mn>7</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>7</m:mn><m:mo>&lt;</m:mo><m:mi>x</m:mi><m:mo>&middot;</m:mo><m:mi>y</m:mi><m:mo>&le;</m:mo><m:mn>10</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>10</m:mn><m:mo>&lt;</m:mo><m:mi>x</m:mi><m:mo>&middot;</m:mo><m:mi>y</m:mi></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_377_teszt01" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_377_teszt01'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 21.3.</b><br /> <a name="algI_GHP_377_teszt02" /><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>Fejezzük ki <m:math xmlns="http://www.w3.org/1998/Math/MathML">

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

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

<m:mrow><m:mi>x</m:mi></m:mrow></m:math>-et az 

<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:mrow><m:mo> </m:mo>

<m:mtable>

<m:mtr><m:mtd columnalign="right"><m:mrow><m:mn>5</m:mn><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>2</m:mn><m:mi>y</m:mi></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mi>a</m:mi></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>6</m:mn><m:mi>y</m:mi></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mi>b</m:mi></m:mrow></m:mtd></m:mtr></m:mtable>

<m:mo>}</m:mo></m:mrow></m:mrow>

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

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

<br />

egyenletrendszerből! Melyik képlet helyes?

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

<m:mfrac><m:mrow><m:mn>3</m:mn><m:mi>a</m:mi><m:mo>+</m:mo><m:mi>b</m:mi></m:mrow>

<m:mrow><m:mn>17</m:mn></m:mrow>

</m:mfrac>

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

<m:mfrac><m:mrow><m:mn>3</m:mn><m:mi>a</m:mi><m:mo>-</m:mo><m:mi>b</m:mi></m:mrow>

<m:mrow><m:mn>17</m:mn></m:mrow>

</m:mfrac>

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

<m:mfrac><m:mrow><m:mn>2</m:mn><m:mi>a</m:mi><m:mo>-</m:mo><m:mn>5</m:mn><m:mi>b</m:mi></m:mrow>

<m:mrow><m:mn>34</m:mn></m:mrow>

</m:mfrac>

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

<m:mfrac><m:mrow><m:mn>2</m:mn><m:mi>a</m:mi><m:mo>+</m:mo><m:mn>5</m:mn><m:mi>b</m:mi></m:mrow>

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

</m:mfrac>

</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_377_teszt02" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_377_teszt02'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 21.4.</b><br /> <a name="algI_GHP_368_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>Oldjuk meg az 

<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:mrow><m:mo> </m:mo>

<m:mtable>

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

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

<m:mrow><m:mn>5</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>5</m:mn><m:mi>y</m:mi></m:mrow>

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

</m:mfrac>

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

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

<m:mfrac><m:mrow><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>1</m:mn></m:mrow>

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

</m:mfrac>

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

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

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

</m:mfrac>

<m:mo>-</m:mo><m:mn>1</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:mtable>

<m:mo>}</m:mo></m:mrow></m:mrow>

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

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

<br />

egyenletrendszert!  A megoldásban az <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>x</m:mi><m:mo>&middot;</m:mo><m:mi>y</m:mi></m:mrow></m:math> szorzat értéke melyik halmazba esik?

<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>x</m:mi><m:mo>&middot;</m:mo><m:mi>y</m:mi><m:mo>&le;</m:mo><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>0</m:mn><m:mo>&lt;</m:mo><m:mi>x</m:mi><m:mo>&middot;</m:mo><m:mi>y</m:mi><m:mo>&le;</m:mo><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>3</m:mn><m:mo>&lt;</m:mo><m:mi>x</m:mi><m:mo>&middot;</m:mo><m:mi>y</m:mi><m:mo>&le;</m:mo><m:mn>7</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>7</m:mn><m:mo>&lt;</m:mo><m:mi>x</m:mi><m:mo>&middot;</m:mo><m:mi>y</m:mi><m:mo>&le;</m:mo><m:mn>10</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>10</m:mn><m:mo>&lt;</m:mo><m:mi>x</m:mi><m:mo>&middot;</m:mo><m:mi>y</m:mi></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_368_teszt" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_368_teszt'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 21.5.</b><br /> <a name="a_i_egyrszr_HAFT_060519_11b_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>Oldjuk meg az alábbi egyenletrendszert!

<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:mrow><m:mo> </m:mo>

<m:mtable>

<m:mtr><m:mtd columnalign="right"><m:mrow><m:mi>x</m:mi><m:mo>-</m:mo><m:mn>2</m:mn><m:mi>y</m:mi><m:mo>-</m:mo><m:mn>3</m:mn><m:mi>z</m:mi></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mo>-</m:mo><m:mn>2</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>2</m:mn><m:mi>y</m:mi><m:mo>+</m:mo><m:mi>z</m:mi></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mn>17</m:mn></m:mrow></m:mtd></m:mtr>

<m:mtr><m:mtd columnalign="right"><m:mrow><m:mn>3</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>5</m:mn><m:mi>y</m:mi><m:mo>-</m:mo><m:mn>6</m:mn><m:mi>z</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:mtable>

<m:mo>}</m:mo></m:mrow></m:mrow>

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

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

<br />

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

<m:mrow><m:mi>x</m:mi><m:mo>&middot;</m:mo><m:mi>y</m:mi><m:mo>&middot;</m:mo><m:mi>z</m:mi></m:mrow></m:math> szorzat értéke melyik halmazba esik?

<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>x</m:mi><m:mo>&middot;</m:mo><m:mi>y</m:mi><m:mo>&middot;</m:mo><m:mi>z</m:mi><m:mo>&le;</m:mo><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>0</m:mn><m:mo>&lt;</m:mo><m:mi>x</m:mi><m:mo>&middot;</m:mo><m:mi>y</m:mi><m:mo>&middot;</m:mo><m:mi>z</m:mi><m:mo>&le;</m:mo><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>3</m:mn><m:mo>&lt;</m:mo><m:mi>x</m:mi><m:mo>&middot;</m:mo><m:mi>y</m:mi><m:mo>&middot;</m:mo><m:mi>z</m:mi><m:mo>&le;</m:mo><m:mn>7</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>7</m:mn><m:mo>&lt;</m:mo><m:mi>x</m:mi><m:mo>&middot;</m:mo><m:mi>y</m:mi><m:mo>&middot;</m:mo><m:mi>z</m:mi><m:mo>&le;</m:mo><m:mn>10</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>10</m:mn><m:mo>&lt;</m:mo><m:mi>x</m:mi><m:mo>&middot;</m:mo><m:mi>y</m:mi><m:mo>&middot;</m:mo><m:mi>z</m:mi></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%3Aa_i_egyrszr_HAFT_060519_11b_teszt" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_egyrszr_HAFT_060519_11b_teszt'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 21.6.</b><br /> <a name="algI_GHP_364_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>Oldjuk meg az alábbi egyenletrendszert!

<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:mrow><m:mo> </m:mo>

<m:mtable>

<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:mo>+</m:mo><m:mn>2</m:mn><m:mi>x</m:mi><m:mo>+</m:mo><m:mn>1</m:mn></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mn>1</m:mn><m:mo>+</m:mo>

<m:mfrac><m:mrow><m:mn>21</m:mn></m:mrow>

<m:mrow><m:mi>y</m:mi></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:mo>+</m:mo>

<m:mfrac><m:mrow><m:mn>15</m:mn></m:mrow>

<m:mrow><m:mi>y</m:mi></m:mrow>

</m:mfrac>

</m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mn>9</m:mn><m:mo>-</m:mo><m:mn>2</m:mn><m:mi>x</m:mi></m:mrow></m:mtd></m:mtr></m:mtable>

<m:mo>}</m:mo></m:mrow></m:mrow>

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

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

<br />

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

A lehetséges megoldásokban az <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:mrow></m:math> összeg minimális értéke melyik halmazba esik?

<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>x</m:mi><m:mo>+</m:mo><m:mi>y</m:mi><m:mo>&le;</m:mo><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>0</m:mn><m:mo>&lt;</m:mo><m:mi>x</m:mi><m:mo>+</m:mo><m:mi>y</m:mi><m:mo>&le;</m:mo><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>3</m:mn><m:mo>&lt;</m:mo><m:mi>x</m:mi><m:mo>+</m:mo><m:mi>y</m:mi><m:mo>&le;</m:mo><m:mn>7</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>7</m:mn><m:mo>&lt;</m:mo><m:mi>x</m:mi><m:mo>+</m:mo><m:mi>y</m:mi><m:mo>&le;</m:mo><m:mn>10</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>10</m:mn><m:mo>&lt;</m:mo><m:mi>x</m:mi><m:mo>+</m:mo><m:mi>y</m:mi></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_364_teszt" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_364_teszt'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 21.7.</b><br /> <a name="algI_GHP_382_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 folyón partján folyásirányban ebben a sorrendben helyezkedik el három város: <m:math xmlns="http://www.w3.org/1998/Math/MathML">

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

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

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

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

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

<m:mrow><m:mi>B</m:mi></m:mrow></m:math> távolsága a folyón <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>25</m:mn></m:mrow></m:math> km, <m:math xmlns="http://www.w3.org/1998/Math/MathML">

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

<m:mrow><m:mi>C</m:mi></m:mrow></m:math> távolsága pedig <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>30</m:mn></m:mrow></m:math> km.

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

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

<m:mrow><m:mi>C</m:mi></m:mrow></m:math>-be megy, majd onnan vissza <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>B</m:mi></m:mrow></m:math>-be. Tiszta menetideje <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>3</m:mn></m:mrow></m:math> óra.

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

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

<m:mrow><m:mi>A</m:mi></m:mrow></m:math>-ba megy, majd onnan <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>C</m:mi></m:mrow></m:math>-be, akkor tiszta menetideje <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mn>3</m:mn><m:mo>,</m:mo><m:mn>5</m:mn></m:mrow></m:math> óra.

Határozzuk meg a folyó sebességét! (Feltételezzük, hogy a hajó motorjának teljesítménye - azaz a hajó sebessége álló vízben - állandó.)

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

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

<m:mrow>

<m:msub><m:mrow><m:mi>v</m:mi></m:mrow><m:mrow><m:mi>f</m:mi></m:mrow>

</m:msub>

</m:mrow></m:math> sebessége (km/h-ban mérve) melyik halmazba esik?

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

<m:mrow>

<m:msub><m:mrow><m:mi>v</m:mi></m:mrow><m:mrow><m:mi>f</m:mi></m:mrow>

</m:msub>

<m:mo>&le;</m:mo><m:mn>2</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:mo>&lt;</m:mo>

<m:msub><m:mrow><m:mi>v</m:mi></m:mrow><m:mrow><m:mi>f</m:mi></m:mrow>

</m:msub>

<m:mo>&le;</m:mo><m:mn>4</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:mo>&lt;</m:mo>

<m:msub><m:mrow><m:mi>v</m:mi></m:mrow><m:mrow><m:mi>f</m:mi></m:mrow>

</m:msub>

<m:mo>&le;</m:mo><m:mn>6</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:mo>&lt;</m:mo>

<m:msub><m:mrow><m:mi>v</m:mi></m:mrow><m:mrow><m:mi>f</m:mi></m:mrow>

</m:msub>

<m:mo>&le;</m:mo><m:mn>8</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:mo>&lt;</m:mo>

<m:msub><m:mrow><m:mi>v</m:mi></m:mrow><m:mrow><m:mi>f</m:mi></m:mrow>

</m:msub>

</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_382_teszt" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_382_teszt'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 21.8.</b><br /> <a name="algI_GHP_518_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 medencébe 3 csapon át folyhat víz. Ha 2 csap van nyitva, a

tartály 4 óra, 5 óra, illetve 6 alatt

telik meg (attól függően, hogy melyik két csapot nyitottuk ki).

Mennyi időre van szükség, ha mindhárom csap nyitva van?

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

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

<m:mrow><m:mi>t</m:mi></m:mrow></m:math> időre (percben):

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

<m:mrow><m:mi>t</m:mi><m:mo>&le;</m:mo><m:mn>120</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>120</m:mn><m:mo>&lt;</m:mo><m:mi>t</m:mi><m:mo>&le;</m:mo><m:mn>160</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>160</m:mn><m:mo>&lt;</m:mo><m:mi>t</m:mi><m:mo>&le;</m:mo><m:mn>200</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>200</m:mn><m:mo>&lt;</m:mo><m:mi>t</m:mi><m:mo>&le;</m:mo><m:mn>240</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>240</m:mn><m:mo>&lt;</m:mo><m:mi>t</m:mi></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_518_teszt" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3AalgI_GHP_518_teszt'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 21.9.</b><br /> <a name="a_i_egyrszr_ha_071220_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>Melyik az az <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:mi>y</m:mi><m:mo stretchy="false">)</m:mo></m:mrow></m:math> számpár, amely az <m:math xmlns="http://www.w3.org/1998/Math/MathML">

<m:mrow><m:mi>m</m:mi></m:mrow></m:math> paraméter bármely értéke esetén kielégíti

az 

<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:mi>y</m:mi><m:mo>=</m:mo><m:mi mathvariant="italic">mx</m:mi><m:mo>+</m:mo><m:mn>3</m:mn><m:mi>m</m:mi><m:mo>+</m:mo><m:mn>2</m:mn></m:mrow>

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

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

<br />

egyenletet?

<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>3</m:mn><m:mo>;</m:mo><m:mn>2</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:mn>0</m:mn><m:mo>;</m:mo><m:mn>0</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:mo>-</m:mo><m:mn>2</m:mn><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>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>3</m:mn><m:mo>;</m:mo><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%3Aa_i_egyrszr_ha_071220_01_teszt" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_egyrszr_ha_071220_01_teszt'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>

<div class="feladat"><b>Feladat: 21.10.</b><br /> <a name="a_i_egyrszr_ha_071220_01_tesztb" /><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>Ebben a feladatban az

<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:mrow><m:mo>{</m:mo>

<m:mtable>

<m:mtr><m:mtd columnalign="right"><m:mrow><m:mi>y</m:mi></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mi mathvariant="italic">mx</m:mi><m:mo>+</m:mo><m:mn>3</m:mn><m:mi>m</m:mi><m:mo>+</m:mo><m:mn>2</m:mn></m:mrow></m:mtd></m:mtr>

<m:mtr><m:mtd columnalign="right"><m:mrow><m:mi>y</m:mi></m:mrow></m:mtd><m:mtd columnalign="left"><m:mrow><m:mo>=</m:mo><m:mo stretchy="false">&verbar;</m:mo><m:mi>x</m:mi><m:mo stretchy="false">&verbar;</m:mo></m:mrow></m:mtd></m:mtr></m:mtable>

<m:mo> </m:mo></m:mrow></m:mrow>

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

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

<br />

paraméteres egyenletrendszer megoldásainak számát vizsgáljuk.

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

<m:mrow><m:mi>m</m:mi></m:mrow></m:math> paraméter alábbi értékeit! 

<br />

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

<m:mrow><m:mi>m</m:mi><m:mo>=</m:mo><m:mo>-</m:mo><m:mn>10</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 />

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

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

<m:mfrac><m:mrow><m:mn>5</m:mn></m:mrow>

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

</m:mfrac>

</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 />

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

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

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

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

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

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

</m:mfrac>

</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 />

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

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

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

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

</m:mfrac>

</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 />

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

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

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

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

<m:mfrac><m:mrow><m:mn>5</m:mn></m:mrow>

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

</m:mfrac>

</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 />

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

<m:mrow><m:mi>m</m:mi><m:mo>=</m:mo><m:mn>10</m:mn></m:mrow></m:math>.

<br />

Ezek között hány olyan van, amelyre a megadott egyenletrendszernek pontosan két megoldása van?

<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 vagy három&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C)</b>&nbsp;&nbsp;&nbsp; négy, öt vagy hat&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D)</b>&nbsp;&nbsp;&nbsp; hét vagy nyolc &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b>E)</b>&nbsp;&nbsp;&nbsp; kilenc vagy tíz<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_egyrszr_ha_071220_01_tesztb" target="_blank" onclick="mutat('exercise_box.php?mode=sne-s-j-&amp;label=A.I%3A%3Aa_i_egyrszr_ha_071220_01_tesztb'); return false;">&nbsp;Megoldás&nbsp;</a>&nbsp;] </div></div>
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