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<title>Přijímací zkoušky z matematiky - online testování | ČVUT FSv - K101 Matematika</title>
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</a>
<p style="padding: 0.5em;"><strong><a href="http://intranet.cvut.cz/cs?set_language=cs" title="ČVUT">ČVUT</a> <a href="http://www.fsv.cvut.cz/hlavni.php" title="Fakulta stavební">FSv</a></strong>
– <strong><a href="https://mat.fsv.cvut.cz/" title="Katedra matematiky">
Katedra matematiky</a></strong><br />
Thákurova 7, 166 29 Praha 6<br />
Tel.: <a href="tel:+420224354390"><strong>+420 / 224 354 390</strong></a>
</p>
</div>
<div id="eu">
<img src="/entrance/images/opvvv.jpg" /><br />
<table>
<tr><td>Příjemce:</td><td>České vysoké učení technické v Praze</td></tr>
<tr><td>Registrační číslo projektu:</td><td>CZ.02.2.69/0.0/0.0/16_015/0002382</td></tr>
<tr><td>Název projektu dle MS2014+:</td><td>Institucionální podpora Českého vysokého učení technického v Praze</td></tr>
</table>
</div>
<h2>Přijímací zkoušky z matematiky – online testování</h2>
<div id="zbyvacas" class="zbyvac1"></div>
<form method="post" accept-charset="utf-8" action="/entrance/oprav/60d9632f3cd1dcf78af60268f08fa11f">
<p>V následujícím online testu se na každou z 15 otázek nabízí 5 odpovědí, ale vždy <strong>jen jedna</strong> je správná.</p>
<p>Výsledek, který považujete za správný, <strong>označte v obrazci vlevo</strong>.</p>
<p>Označování odpovědí funguje ve všech prohlížečích, které podporují CSS pseudo třídu <code>:checked</code>. Pokud se Vám odpovědi neoznačují, přestože jste je vybrali, zkuste jiný prohlížeč. I pokud se Vám odpovědi neoznačují, přestože jste je vybrali, jsou vybrané a zpracují se po odeslání testu k vyhodnocení.</p>
<p>Doba vymezená na provedení testu je <strong>70 minut</strong>. Po uplynutí této doby testu je test ukončen a vyhodnocen. Test lze ukončit před uplynutím této doby. Zbývající doba je zobrazena v pravém horním rohu.</p>
<p id="java" class="cerveny">Pro správnou funkci je zapotřebí mít povolený javascript.</p>
<table class="test">
<tr>
<td>
<table class="odpovedi">
<tr>
<td class="licha jednoducha"><input name="1" id="odp1a" type="radio" value="1" /><label for="odp1a">a</label></td>
<td> </td>
<td class="licha jednoducha"><input name="1" id="odp1b" type="radio" value="2" /><label for="odp1b">b</label></td>
</tr>
<tr>
<td> </td>
<td class="licha jednoducha"><input name="1" id="odp1c" type="radio" value="3" /><label for="odp1c">c</label></td>
<td> </td>
</tr>
<tr>
<td class="licha jednoducha"><input name="1" id="odp1d" type="radio" value="4" /><label for="odp1d">d</label></td>
<td> </td>
<td class="licha jednoducha"><input name="1" id="odp1e" type="radio" value="5" /><label for="odp1e">e</label></td>
</tr>
</table>
1 bod
</td>
<td>
<table class="otazky">
<tr><td>1. Rovnice osy úhlu $AVB$, kde $V[1,\,2]$, $A[4,\,6]$, $B[6,\,2]$ (platí ${|VA|=|VB|}$), je</td></tr>
<tr><td><label for="odp1a">a) $x-2y+3=0$</label></td></tr>
<tr><td><label for="odp1b">b) $x+2y-5=0$</label></td></tr>
<tr><td><label for="odp1c">c) $x-y+1=0$</label></td></tr>
<tr><td><label for="odp1d">d) $2x-y=0$</label></td></tr>
<tr><td><label for="odp1e">e) $2x+y-4=0$</label></td></tr>
</table>
</td>
</tr>
<tr>
<td>
<table class="odpovedi">
<tr>
<td class="licha dvojita"><input name="2" id="odp2a" type="radio" value="1" /><label for="odp2a">a</label></td>
<td> </td>
<td class="licha dvojita"><input name="2" id="odp2b" type="radio" value="2" /><label for="odp2b">b</label></td>
</tr>
<tr>
<td> </td>
<td class="licha dvojita"><input name="2" id="odp2c" type="radio" value="3" /><label for="odp2c">c</label></td>
<td> </td>
</tr>
<tr>
<td class="licha dvojita"><input name="2" id="odp2d" type="radio" value="4" /><label for="odp2d">d</label></td>
<td> </td>
<td class="licha dvojita"><input name="2" id="odp2e" type="radio" value="5" /><label for="odp2e">e</label></td>
</tr>
</table>
2 body
</td>
<td>
<table class="otazky">
<tr><td>2. Rovnice tečny paraboly ${x^2-6x-8y-7=0}$ v jejím bodě ${A[7,\,?]}$ je</td></tr>
<tr><td><label for="odp2a">a) ${x-2y-7=0}$</label></td></tr>
<tr><td><label for="odp2b">b) ${x-y-7=0}$</label></td></tr>
<tr><td><label for="odp2c">c) ${x+3y-7=0}$</label></td></tr>
<tr><td><label for="odp2d">d) ${2x+y-14=0}$</label></td></tr>
<tr><td><label for="odp2e">e) ${x+y-7=0}$</label></td></tr>
</table>
</td>
</tr>
<tr>
<td>
<table class="odpovedi">
<tr>
<td class="licha jednoducha"><input name="3" id="odp3a" type="radio" value="1" /><label for="odp3a">a</label></td>
<td> </td>
<td class="licha jednoducha"><input name="3" id="odp3b" type="radio" value="2" /><label for="odp3b">b</label></td>
</tr>
<tr>
<td> </td>
<td class="licha jednoducha"><input name="3" id="odp3c" type="radio" value="3" /><label for="odp3c">c</label></td>
<td> </td>
</tr>
<tr>
<td class="licha jednoducha"><input name="3" id="odp3d" type="radio" value="4" /><label for="odp3d">d</label></td>
<td> </td>
<td class="licha jednoducha"><input name="3" id="odp3e" type="radio" value="5" /><label for="odp3e">e</label></td>
</tr>
</table>
1 bod
</td>
<td>
<table class="otazky">
<tr><td>3. Součet prvních tří členů posloupnosti $(a_n)_{n=1}^{\infty}$, která je dána rekurentní formulí ${a_{n+1}=2a_n-5}$ a členem ${a_2=2}$, je</td></tr>
<tr><td><label for="odp3a">a) $\frac54$</label></td></tr>
<tr><td><label for="odp3b">b) $-\frac72$</label></td></tr>
<tr><td><label for="odp3c">c) $\frac72$</label></td></tr>
<tr><td><label for="odp3d">d) $\frac52$</label></td></tr>
<tr><td><label for="odp3e">e) $\frac92$</label></td></tr>
</table>
</td>
</tr>
<tr>
<td>
<table class="odpovedi">
<tr>
<td class="licha jednoducha"><input name="4" id="odp4a" type="radio" value="1" /><label for="odp4a">a</label></td>
<td> </td>
<td class="licha jednoducha"><input name="4" id="odp4b" type="radio" value="2" /><label for="odp4b">b</label></td>
</tr>
<tr>
<td> </td>
<td class="licha jednoducha"><input name="4" id="odp4c" type="radio" value="3" /><label for="odp4c">c</label></td>
<td> </td>
</tr>
<tr>
<td class="licha jednoducha"><input name="4" id="odp4d" type="radio" value="4" /><label for="odp4d">d</label></td>
<td> </td>
<td class="licha jednoducha"><input name="4" id="odp4e" type="radio" value="5" /><label for="odp4e">e</label></td>
</tr>
</table>
1 bod
</td>
<td>
<table class="otazky">
<tr><td>4. Jestliže ${\cos(\alpha+\pi)=1}$, pak</td></tr>
<tr><td><label for="odp4a">a) $\tg\alpha=1$</label></td></tr>
<tr><td><label for="odp4b">b) $\tg\alpha=0$</label></td></tr>
<tr><td><label for="odp4c">c) $\tg\alpha$ nenť definován</label></td></tr>
<tr><td><label for="odp4d">d) $\tg\alpha=\frac{\sqrt3}3$</label></td></tr>
<tr><td><label for="odp4e">e) $\tg\alpha=-1$</label></td></tr>
</table>
</td>
</tr>
<tr>
<td>
<table class="odpovedi">
<tr>
<td class="licha dvojita"><input name="5" id="odp5a" type="radio" value="1" /><label for="odp5a">a</label></td>
<td> </td>
<td class="licha dvojita"><input name="5" id="odp5b" type="radio" value="2" /><label for="odp5b">b</label></td>
</tr>
<tr>
<td> </td>
<td class="licha dvojita"><input name="5" id="odp5c" type="radio" value="3" /><label for="odp5c">c</label></td>
<td> </td>
</tr>
<tr>
<td class="licha dvojita"><input name="5" id="odp5d" type="radio" value="4" /><label for="odp5d">d</label></td>
<td> </td>
<td class="licha dvojita"><input name="5" id="odp5e" type="radio" value="5" /><label for="odp5e">e</label></td>
</tr>
</table>
2 body
</td>
<td>
<table class="otazky">
<tr><td>5. Do koule poloměru $r$ jsou vepsány dva shodné rotační kužele se společnou podstavou poloměru $r$. Poměr součtu obsahů plášťů obou kuželů a povrchu koule je</td></tr>
<tr><td><label for="odp5a">a) ${\sqrt2:1}$</label></td></tr>
<tr><td><label for="odp5b">b) ${\sqrt3:\sqrt2}$</label></td></tr>
<tr><td><label for="odp5c">c) ${\sqrt2:2}$</label></td></tr>
<tr><td><label for="odp5d">d) ${\sqrt3:2}$</label></td></tr>
<tr><td><label for="odp5e">e) ${\sqrt3:1}$</label></td></tr>
</table>
</td>
</tr>
<tr>
<td>
<table class="odpovedi">
<tr>
<td class="licha jednoducha"><input name="6" id="odp6a" type="radio" value="1" /><label for="odp6a">a</label></td>
<td> </td>
<td class="licha jednoducha"><input name="6" id="odp6b" type="radio" value="2" /><label for="odp6b">b</label></td>
</tr>
<tr>
<td> </td>
<td class="licha jednoducha"><input name="6" id="odp6c" type="radio" value="3" /><label for="odp6c">c</label></td>
<td> </td>
</tr>
<tr>
<td class="licha jednoducha"><input name="6" id="odp6d" type="radio" value="4" /><label for="odp6d">d</label></td>
<td> </td>
<td class="licha jednoducha"><input name="6" id="odp6e" type="radio" value="5" /><label for="odp6e">e</label></td>
</tr>
</table>
1 bod
</td>
<td>
<table class="otazky">
<tr><td>6. Množinou všech řešení nerovnice ${\dfrac2{|x-3|}\le\dfrac12}$ s neznámou ${x\in\R}$ je</td></tr>
<tr><td><label for="odp6a">a) $(-\infty,\,\frac12\rangle $</label></td></tr>
<tr><td><label for="odp6b">b) $(-\infty,\,-1\rangle $</label></td></tr>
<tr><td><label for="odp6c">c) $(-\infty,\,-1\rangle \cup\langle 7,\,\infty)$</label></td></tr>
<tr><td><label for="odp6d">d) $\langle -1,\,3)\cup\langle 7,\,\infty)$</label></td></tr>
<tr><td><label for="odp6e">e) $\langle -1,\,3)\cup(3,\,7\rangle $</label></td></tr>
</table>
</td>
</tr>
<tr>
<td>
<table class="odpovedi">
<tr>
<td class="licha jednoducha"><input name="7" id="odp7a" type="radio" value="1" /><label for="odp7a">a</label></td>
<td> </td>
<td class="licha jednoducha"><input name="7" id="odp7b" type="radio" value="2" /><label for="odp7b">b</label></td>
</tr>
<tr>
<td> </td>
<td class="licha jednoducha"><input name="7" id="odp7c" type="radio" value="3" /><label for="odp7c">c</label></td>
<td> </td>
</tr>
<tr>
<td class="licha jednoducha"><input name="7" id="odp7d" type="radio" value="4" /><label for="odp7d">d</label></td>
<td> </td>
<td class="licha jednoducha"><input name="7" id="odp7e" type="radio" value="5" /><label for="odp7e">e</label></td>
</tr>
</table>
1 bod
</td>
<td>
<table class="otazky">
<tr><td>7. Algebraický tvar komplexního čísla $z$, kde ${5\i z=(4-\i)(z+2\i)}$, je</td></tr>
<tr><td><label for="odp7a">a) $\frac1{13}(10-11\i)$</label></td></tr>
<tr><td><label for="odp7b">b) $\frac13(10-11\i)$</label></td></tr>
<tr><td><label for="odp7c">c) $\frac{1}{5}(10-11\i)$</label></td></tr>
<tr><td><label for="odp7d">d) $\frac{1}{13}(10+11\i)$</label></td></tr>
<tr><td><label for="odp7e">e) $\frac{1}{5}(-10+11\i)$</label></td></tr>
</table>
</td>
</tr>
<tr>
<td>
<table class="odpovedi">
<tr>
<td class="licha jednoducha"><input name="8" id="odp8a" type="radio" value="1" /><label for="odp8a">a</label></td>
<td> </td>
<td class="licha jednoducha"><input name="8" id="odp8b" type="radio" value="2" /><label for="odp8b">b</label></td>
</tr>
<tr>
<td> </td>
<td class="licha jednoducha"><input name="8" id="odp8c" type="radio" value="3" /><label for="odp8c">c</label></td>
<td> </td>
</tr>
<tr>
<td class="licha jednoducha"><input name="8" id="odp8d" type="radio" value="4" /><label for="odp8d">d</label></td>
<td> </td>
<td class="licha jednoducha"><input name="8" id="odp8e" type="radio" value="5" /><label for="odp8e">e</label></td>
</tr>
</table>
1 bod
</td>
<td>
<table class="otazky">
<tr><td>8. Pro každé ${x>0}$ je výraz ${\dfrac{2\sqrt{x\sqrt{x}}}{\root{3}\of{8x}}\,x^{\frac{1}{12}}}$ roven</td></tr>
<tr><td><label for="odp8a">a) ${x}$</label></td></tr>
<tr><td><label for="odp8b">b) ${\sqrt{x}}$</label></td></tr>
<tr><td><label for="odp8c">c) ${\dfrac{1}{\sqrt{x}}}$</label></td></tr>
<tr><td><label for="odp8d">d) ${\root{3}\of{x}}$</label></td></tr>
<tr><td><label for="odp8e">e) ${x\sqrt{x}}$</label></td></tr>
</table>
</td>
</tr>
<tr>
<td>
<table class="odpovedi">
<tr>
<td class="licha jednoducha"><input name="9" id="odp9a" type="radio" value="1" /><label for="odp9a">a</label></td>
<td> </td>
<td class="licha jednoducha"><input name="9" id="odp9b" type="radio" value="2" /><label for="odp9b">b</label></td>
</tr>
<tr>
<td> </td>
<td class="licha jednoducha"><input name="9" id="odp9c" type="radio" value="3" /><label for="odp9c">c</label></td>
<td> </td>
</tr>
<tr>
<td class="licha jednoducha"><input name="9" id="odp9d" type="radio" value="4" /><label for="odp9d">d</label></td>
<td> </td>
<td class="licha jednoducha"><input name="9" id="odp9e" type="radio" value="5" /><label for="odp9e">e</label></td>
</tr>
</table>
1 bod
</td>
<td>
<table class="otazky">
<tr><td>9. Rovnice ${\cos^2 2x-4\cos 2x=0}$</td></tr>
<tr><td><label for="odp9a">a) má v intervalu $(-\frac{\pi}{2},\frac{\pi}{2})$ právě dvě řešení</label></td></tr>
<tr><td><label for="odp9b">b) má v intervalu $(-\frac{\pi}{2},\frac{\pi}{2})$ právě tři řešení</label></td></tr>
<tr><td><label for="odp9c">c) má v intervalu $(-\frac{\pi}{2},\frac{\pi}{2})$ právě jedno řešení</label></td></tr>
<tr><td><label for="odp9d">d) má v intervalu $(-\frac{\pi}{2},\frac{\pi}{2})$ právě čtyři řešení</label></td></tr>
<tr><td><label for="odp9e">e) nemá v intervalu $(-\frac{\pi}{2},\frac{\pi}{2})$ žádné řešení</label></td></tr>
</table>
</td>
</tr>
<tr>
<td>
<table class="odpovedi">
<tr>
<td class="licha jednoducha"><input name="10" id="odp10a" type="radio" value="1" /><label for="odp10a">a</label></td>
<td> </td>
<td class="licha jednoducha"><input name="10" id="odp10b" type="radio" value="2" /><label for="odp10b">b</label></td>
</tr>
<tr>
<td> </td>
<td class="licha jednoducha"><input name="10" id="odp10c" type="radio" value="3" /><label for="odp10c">c</label></td>
<td> </td>
</tr>
<tr>
<td class="licha jednoducha"><input name="10" id="odp10d" type="radio" value="4" /><label for="odp10d">d</label></td>
<td> </td>
<td class="licha jednoducha"><input name="10" id="odp10e" type="radio" value="5" /><label for="odp10e">e</label></td>
</tr>
</table>
1 bod
</td>
<td>
<table class="otazky">
<tr><td>10. Jestliže ${\log_5y=1+2\log_5(x^2+4)-\frac12\log_5(2x+4)}$, pak číslo $y$ je rovno</td></tr>
<tr><td><label for="odp10a">a) $2x^2-x+7$</label></td></tr>
<tr><td><label for="odp10b">b) $\dfrac{10(x^2+4)}{x+2}$</label></td></tr>
<tr><td><label for="odp10c">c) $\dfrac{10(x^2+4)}{\sqrt{2x+4}}$</label></td></tr>
<tr><td><label for="odp10d">d) $\dfrac{5(x^2+4)^2}{\sqrt{2x+4}}$</label></td></tr>
<tr><td><label for="odp10e">e) $\dfrac{2(x^2+4)}{x+2}$</label></td></tr>
</table>
</td>
</tr>
<tr>
<td>
<table class="odpovedi">
<tr>
<td class="licha jednoducha"><input name="11" id="odp11a" type="radio" value="1" /><label for="odp11a">a</label></td>
<td> </td>
<td class="licha jednoducha"><input name="11" id="odp11b" type="radio" value="2" /><label for="odp11b">b</label></td>
</tr>
<tr>
<td> </td>
<td class="licha jednoducha"><input name="11" id="odp11c" type="radio" value="3" /><label for="odp11c">c</label></td>
<td> </td>
</tr>
<tr>
<td class="licha jednoducha"><input name="11" id="odp11d" type="radio" value="4" /><label for="odp11d">d</label></td>
<td> </td>
<td class="licha jednoducha"><input name="11" id="odp11e" type="radio" value="5" /><label for="odp11e">e</label></td>
</tr>
</table>
1 bod
</td>
<td>
<table class="otazky">
<tr><td>11. Graf funkce ${y=2|x-3|-|x+1|}$, ${x\in\langle 1,5\rangle }$</td></tr>
<tr><td><label for="odp11a">a) je přímka</label></td></tr>
<tr><td><label for="odp11b">b) jsou dvě různoběžné polopřímky se společným počátečním bodem</label></td></tr>
<tr><td><label for="odp11c">c) jsou dvě úsečky se společným krajním bodem</label></td></tr>
<tr><td><label for="odp11d">d) jsou dvě úsečky, které nemají žádný společný bod</label></td></tr>
<tr><td><label for="odp11e">e) je jedna úsečka</label></td></tr>
</table>
</td>
</tr>
<tr>
<td>
<table class="odpovedi">
<tr>
<td class="licha jednoducha"><input name="12" id="odp12a" type="radio" value="1" /><label for="odp12a">a</label></td>
<td> </td>
<td class="licha jednoducha"><input name="12" id="odp12b" type="radio" value="2" /><label for="odp12b">b</label></td>
</tr>
<tr>
<td> </td>
<td class="licha jednoducha"><input name="12" id="odp12c" type="radio" value="3" /><label for="odp12c">c</label></td>
<td> </td>
</tr>
<tr>
<td class="licha jednoducha"><input name="12" id="odp12d" type="radio" value="4" /><label for="odp12d">d</label></td>
<td> </td>
<td class="licha jednoducha"><input name="12" id="odp12e" type="radio" value="5" /><label for="odp12e">e</label></td>
</tr>
</table>
1 bod
</td>
<td>
<table class="otazky">
<tr><td>12. Maximální definiční obor funkce ${f(x)=\sqrt{\ln(x^2)}}$ je</td></tr>
<tr><td><label for="odp12a">a) $\R-\{-1,\,0,\,1\}$</label></td></tr>
<tr><td><label for="odp12b">b) $\langle 1,\,\infty)$</label></td></tr>
<tr><td><label for="odp12c">c) $(-\infty,\,-1\rangle \cup\langle 1,\,\infty)$</label></td></tr>
<tr><td><label for="odp12d">d) $(0,\,\infty)$</label></td></tr>
<tr><td><label for="odp12e">e) $\R-\{0\}$</label></td></tr>
</table>
</td>
</tr>
<tr>
<td>
<table class="odpovedi">
<tr>
<td class="licha dvojita"><input name="13" id="odp13a" type="radio" value="1" /><label for="odp13a">a</label></td>
<td> </td>
<td class="licha dvojita"><input name="13" id="odp13b" type="radio" value="2" /><label for="odp13b">b</label></td>
</tr>
<tr>
<td> </td>
<td class="licha dvojita"><input name="13" id="odp13c" type="radio" value="3" /><label for="odp13c">c</label></td>
<td> </td>
</tr>
<tr>
<td class="licha dvojita"><input name="13" id="odp13d" type="radio" value="4" /><label for="odp13d">d</label></td>
<td> </td>
<td class="licha dvojita"><input name="13" id="odp13e" type="radio" value="5" /><label for="odp13e">e</label></td>
</tr>
</table>
2 body
</td>
<td>
<table class="otazky">
<tr><td>13. Množinou všech řešení nerovnice ${x^2-2{,}5x+0{,}5<2x^2-1}$ s neznámou ${x\in\R}$ je</td></tr>
<tr><td><label for="odp13a">a) $(-3,\,\infty)$</label></td></tr>
<tr><td><label for="odp13b">b) $(-2,\,\frac12)$</label></td></tr>
<tr><td><label for="odp13c">c) $(-\infty,\,\frac12)$</label></td></tr>
<tr><td><label for="odp13d">d) $(-\infty,\,-3)\cup(\frac12,\,\infty)$</label></td></tr>
<tr><td><label for="odp13e">e) $(-\infty,\,-\frac12)\cup(\frac12,\,\infty)$</label></td></tr>
</table>
</td>
</tr>
<tr>
<td>
<table class="odpovedi">
<tr>
<td class="licha dvojita"><input name="14" id="odp14a" type="radio" value="1" /><label for="odp14a">a</label></td>
<td> </td>
<td class="licha dvojita"><input name="14" id="odp14b" type="radio" value="2" /><label for="odp14b">b</label></td>
</tr>
<tr>
<td> </td>
<td class="licha dvojita"><input name="14" id="odp14c" type="radio" value="3" /><label for="odp14c">c</label></td>
<td> </td>
</tr>
<tr>
<td class="licha dvojita"><input name="14" id="odp14d" type="radio" value="4" /><label for="odp14d">d</label></td>
<td> </td>
<td class="licha dvojita"><input name="14" id="odp14e" type="radio" value="5" /><label for="odp14e">e</label></td>
</tr>
</table>
2 body
</td>
<td>
<table class="otazky">
<tr><td>14. Poměr obsahů trojúhelníků $ABC$ a $A'B'C$, kde $A'B'$ je příčka trojúhelníku $ABC$ procházející jeho těžištěm rovnoběžně se stranou $AB$, je</td></tr>
<tr><td><label for="odp14a">a) $9:1$</label></td></tr>
<tr><td><label for="odp14b">b) $3:2$</label></td></tr>
<tr><td><label for="odp14c">c) $3:1$</label></td></tr>
<tr><td><label for="odp14d">d) ${\sqrt3:\sqrt2}$</label></td></tr>
<tr><td><label for="odp14e">e) $9:4$</label></td></tr>
</table>
</td>
</tr>
<tr>
<td>
<table class="odpovedi">
<tr>
<td class="licha dvojita"><input name="15" id="odp15a" type="radio" value="1" /><label for="odp15a">a</label></td>
<td> </td>
<td class="licha dvojita"><input name="15" id="odp15b" type="radio" value="2" /><label for="odp15b">b</label></td>
</tr>
<tr>
<td> </td>
<td class="licha dvojita"><input name="15" id="odp15c" type="radio" value="3" /><label for="odp15c">c</label></td>
<td> </td>
</tr>
<tr>
<td class="licha dvojita"><input name="15" id="odp15d" type="radio" value="4" /><label for="odp15d">d</label></td>
<td> </td>
<td class="licha dvojita"><input name="15" id="odp15e" type="radio" value="5" /><label for="odp15e">e</label></td>
</tr>
</table>
2 body
</td>
<td>
<table class="otazky">
<tr><td>15. Jestliže jedním kořenem rovnice ${x^2+5mx+m+3=0}$ (s neznámou $x$) je číslo ${x_1=1}$, pak jejím druhým kořenem je číslo</td></tr>
<tr><td><label for="odp15a">a) $x_2=\frac73$</label></td></tr>
<tr><td><label for="odp15b">b) $x_2=-2$</label></td></tr>
<tr><td><label for="odp15c">c) $x_2=5$</label></td></tr>
<tr><td><label for="odp15d">d) $x_2=1$</label></td></tr>
<tr><td><label for="odp15e">e) $x_2=-\frac43$</label></td></tr>
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