A.\(12\)
B.\(3\)
C.\(4\)
D.\(6\)

A.\(\sqrt {37} \)
B.\(\sqrt {111} \)
C.\(\sqrt {38} \)
D.\(\sqrt {114} \)

A.\(y =  - {x^3} - 3x + 1\)
B.\(y = \dfrac{{x + 1}}{{2x - 1}}\)
C.\(y =  - {x^2} - 2x - 1\)
D.\(y =  - {x^4} - 4{x^2}\)

A.\(y =  - {x^3} + 3x + 2\)
B.\(y =  - {x^2} + 2x + 3\)
C.\(y = {x^4} - 2{x^2} + 3\)
D.\(y = {x^3} - 3x + 2\)

A.\({a^{12}}\)
B.\({a^{\frac{4}{3}}}\)
C.\({a^{\frac{1}{{12}}}}\)
D.\({a^{\frac{3}{4}}}\)

A.\({x^2} + {\left( {y - 1} \right)^2} + {\left( {z - 2} \right)^2} = 1\)
B.\({x^2} + {\left( {y + 1} \right)^2} + {\left( {z + 2} \right)^2} = 9\)
C.\({x^2} + {\left( {y + 1} \right)^2} + {\left( {z + 2} \right)^2} = 1\)
D.\({x^2} + {\left( {y - 1} \right)^2} + {\left( {z - 2} \right)^2} = 9\)

A.\(2\)
B.\(3\)
C.\(4\)
D.\(5\)

A.\(\left( { - 1; - 2; - 3} \right)\)
B.\(\left( {1; - 2;3} \right)\)
C.\(\left( { - 1;2; - 3} \right)\)
D.\(\left( {1;2;3} \right)\)

A.\({60^0}\)
B.\({90^0}\)
C.\({45^0}\)
D.\({30^0}\)

A.\(\left\{ \begin{array}{l}x = 3 + t\\y = 8 - 5t\\z = 1 + 2t\end{array} \right.\)
B.\(\left\{ \begin{array}{l}x = t\\y =  - 7 + 5t\\z = 7 + 2t\end{array} \right.\)
C.\(\left\{ \begin{array}{l}x = 2 - t\\y = 3 + 5t\\z = 3 + 2t\end{array} \right.\)
D.\(\left\{ \begin{array}{l}x = 1 + t\\y =  - 2 + 5t\\z = 5 - 2t\end{array} \right.\)