A. \(x < \frac{3}{2}\).
B. \(x < - \frac{2}{3}\).
C. \(x > \frac{3}{2}\).
D. \(x > - \frac{2}{3}\).
A. \(\left[ { - {\rm{ 6}};{\rm{1}}} \right]\).
B. \(\left[ {{\rm{2}};{\rm{3}}} \right]\).
C. \(\left( { - \infty ;{\rm{6}}} \right] \cup \left[ {{\rm{1}}; + \infty } \right)\).
D. \(\left( { - \infty ;{\rm{2}}} \right] \cup \left[ {{\rm{3}}; + \infty } \right)\).
A. \(\left( {{\rm{1}};{\rm{1}}} \right)\)
B. \(\left( { - {\rm{1}};{\rm{2}}} \right)\)
C. \(\left( { - {\rm{2}};{\rm{2}}} \right)\)
D. \(\left( {{\rm{2}};{\rm{2}}} \right)\)
A. \(\emptyset \)
B. \(\left( { - 6;2} \right)\)
C. \(\left( { - \infty ; - 6} \right) \cup \left( {2; + \infty } \right)\)
D. \(\mathbb{R}\)
A. \(\left( { - \infty ; - 3} \right] \cup \left[ {7;15} \right)\)
B. \(\left[ {3;15} \right]\)
C. \(\left[ { - 3;3} \right) \cup \left[ {7;15} \right]\)
D. \(\left[ {7;15} \right]\)
A. \(m \in \left( {-{\rm{2}};{\rm{4}}} \right)\)
B. \(m \in \left[ {-{\rm{14}};{\rm{2}}} \right]\)
C. \(m \in \left( {-{\rm{14}};{\rm{2}}} \right)\)
D. \(m \in \left[ {-{\rm{4}};{\rm{2}}} \right]\)
A. \(2 \le m \le 6\)
B. \(m < 2 \vee m > 3\)
C. \(m < 2 \vee m > 6\)
D. \( - 3 \le m \le 2\)
A. \( - 5 \le m \le - \frac{1}{2}\)
B. \( - 5 \le m \le - 1\)
C. \(m \ge - 1 \vee m \le - 5.\)
D. \(1 \le m \le 5\)
A. \( - 1 \le m \le 3\).
B. \(m \le - 1 \vee m \ge 3.\)
C. \(m < - 2 \vee m > 3.\)
D. \( - 3 \le m \le 2\)
A. \(6 \le m \le 10\)
B. \(m \ge 7\)
C. \(m \le 6\)
D. \(m \ge 10\)
A. 7,54.
B. 7,46.
C. 7,34.
D. 7,24.
A. \(225\pi \).
B. \(\frac{{3\pi }}{4}\).
C. \(\frac{{5\pi }}{4}\).
D. \(\frac{{4\pi }}{3}\).
A. \(1\,rad = {1^0}\)
B. \({1^0} = \frac{1}{\pi }\)
C. \(\pi \,rad = {180^0}\)
D. \(\pi \,rad = {\left( {\frac{1}{{180}}} \right)^0}\)
A. \( - \frac{{\sqrt 3 }}{2}\).
B. \(\frac{1}{2}\).
C. \(\frac{{\sqrt 2 }}{2}\).
D. \( - \frac{1}{2}\).
A. \(\sin \alpha > 0\)
B. \(\cos \alpha > 0\)
C. \(\tan \alpha > 0\)
D. \(\cot \alpha > 0\)
A. \(2\).
B. \( - 2\).
C. \( - \frac{1}{2}\).
D. \(\frac{1}{2}\).
A. \(k2\pi \).
B. \(\frac{\pi }{2} + k2\pi \).
C. \(k\pi \).
D. \(\frac{\pi }{2} + k\pi \).
A. \(1\)
B. \(\frac{5}{{12}}\).
C. \(\frac{8}{{11}}\).
D. \(\frac{1}{2}\).
A. \(\sqrt {a + 1} \).
B. \(\left( {\sqrt 2 - 1} \right)a + 1\).
C. \(\sqrt {a + 1} - \sqrt {{a^2} - a} \).
D. \(\sqrt {a + 1} + \sqrt {{a^2} - a} \).
A. \(\sin \left( {\frac{{A + B}}{2}} \right) = \sin \frac{C}{2}\) .
B. \(\cos \left( {\frac{{A + B}}{2}} \right) = \cos \frac{C}{2}\).
C. \(\tan \left( {\frac{{A + B}}{2}} \right) = \tan \frac{C}{2}\).
D. \(\cot \left( {\frac{{A + B}}{2}} \right) = \cot \frac{C}{2}\).
A. \(0,96\).
B. \( - 0,96\).
C. \(0,28\).
D. \( - 0,28\).
A. \(\tan \alpha \).
B. \(\cot \alpha \).
C. \(2\sin \alpha \).
D. \(2\cos \alpha \).
A. \(\tan 3x\)
B. \(\cot 3x\)
C. \(\cos 3x\)
D. \(\sin 3x\)
A. \(\sin a\sin b\)
B. \(\cos a\cos b\)
C. \(\cos a\sin b\)
D. \(\sin a\cos b\)
A. \(\frac{1}{2}\).
B. \(\frac{1}{3}\).
C. \(\frac{1}{5}\).
D. \(\tan {22^0}30'\).
A. \(\sqrt {52} \).
B. \(24\)
C. \(28\)
D. \(2\sqrt 7 \).
A. \(\angle B \approx {51^0}7'\)
B. \(\angle B \approx {52^0}8'\)
C. \(\angle B \approx {53^0}8'\)
D. \(\angle B \approx {54^0}7'\)
A. \(2\sqrt 2 \).
B. \(2\sqrt 6 \).
C. \(\frac{{4\sqrt 3 }}{3}\).
D. \(4\).
A. \(5\sqrt 6 \,c{m^2}\)
B. \(6\sqrt 5 \,c{m^2}\)
C. \(6\sqrt 5 \,{m^2}\)
D. \(5\sqrt 6 \,{m^2}\)
A. \(70km\)
B. \(10\sqrt {13} \,\,km\)
C. \(20\sqrt {13} \,\,km\)
D. \(20\sqrt 3 \,\,km\)
A. \(5,7\)
B. \(6,1\)
C. \(5,27\)
D. \(5,75\)
A. \(3,69\)
B. \(3,71\)
C. \(3,95\)
D. \(3,96\)
A. \(\overline x \approx 69,39mmHg,\,\,{s^2} \approx 93,8\)
B. \(\overline x \approx 70mmHg,\,\,{s^2} \approx 93\)
C. \(\overline x \approx 69,39mmHg,\,\,{s^2} \approx 100\)
D. \(\overline x \approx 69,29mmHg,\,\,{s^2} \approx 94\)
A. \(\left\{ \begin{array}{l}x = 2 - 2t\\y = - 3 + 3t\end{array} \right.\,\,\)
B. \(\left\{ \begin{array}{l}x = 2 + 2t\\y = - 3 + 3t\end{array} \right.\)
C. \(\left\{ \begin{array}{l}x = - 2 - 2t\\y = 3 - 3t\end{array} \right.\)
D. \(\left\{ \begin{array}{l}x = - 2 + 2t\\y = 3 - 3t\end{array} \right.\)
A. \(3x + 4y + 5 = 0\).
B. \(4x - 3y - 10 = 0\).
C. \(4x - 3y + 2 = 0\).
D. \(4x - 3y + 10 = 0\).
A. \(x + 5y - 1 = 0\).
B. \(x - 5y - 1 = 0\).
C. \(5x - y - 5 = 0\).
D. \(5x + y + 5 = 0\).
A. \(7x - 2y + 11 = 0\).
B. \(7x - 2y + 3 = 0\).
C. \(2x + 7y - 5 = 0\).
D. \(2x - 7y + 11 = 0\).
A. \(2x + 3y - 8 = 0\).
B. \(2x - 3y - 5 = 0\).
C. \(3x + 2y - 7 = 0\).
D. \(3x - 2y + 1 = 0\).
A. \(\frac{2}{{13}}\)
B. \(2\)
C. \(13\)
D. \( - 2\)
A. \({x^2} + {y^2} + 6x + 4y - 11 = 0\)
B. \({x^2} + {y^2} - 6x - 4y + 10 = 0\)
C. \({x^2} + {y^2} - 6x + 4y - 10 = 0\)
D. \({x^2} + {y^2} - 6x + 4y + 11 = 0\)
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