Đề thi HK1 môn Toán lớp 10 Trường THPT Giao Thủy B...

A \(\left( { - \infty ;2} \right)\)

B \(\left( { - \infty ;2} \right]\)

C \(\left[ {2; + \infty } \right)\)

D \(\left( {2; + \infty } \right)\)

A Hàm số đồng biến trên \(\left( {1; + \infty } \right)\)

B Hàm số đồng biến trên \(\left( { - \infty ;1} \right)\)

C Hàm số nghịch biến trên \(\left( {3; + \infty } \right)\)

D Hàm số đồng biến trên \(\left( { - \infty ;3} \right)\)

A \(m \ge  - 2\)

B \(m >  - 2\)

C \(m \le  - 2\)

D \(m <  - 2\)

A \(m \ge  - 1\)

B \(m \le  - 1\)

C \(m \ge 1\)

D \(m \le 1\)

A 0

B 1

C 2

D 3

A \(\dfrac{{{a^2}}}{6}\)

B \( - \dfrac{{{a^2}}}{6}\)

C \(\dfrac{{{a^2}}}{{2\sqrt 3 }}\)

D \( - \dfrac{{{a^2}}}{{2\sqrt 3 }}\)

A \(\left( {1;1} \right)\)

B \(\left( { - 1;1} \right)\)

C \(\left( {1; - 1} \right)\)

D \(\left( { - 1; - 1} \right)\)

A \(\dfrac{{12}}{{25}}\)

B \(\dfrac{{25}}{{12}}\)

C \( - \dfrac{{25}}{{12}}\)

D \( - \dfrac{{12}}{{25}}\)

A \(m=2\)

B \(m=2; \,\, m=-6\)

C \(m=-6\)

D Không tồn tại \(m\) thỏa mãn

A \(\begin{array}{l}
a)\,\,x = 4\\
b)\,\,x \in \left\{ {5;145} \right\}
\end{array}\)

B \(\begin{array}{l}
a)\,\,S = \left\{ {\frac{8}{3};4;\frac{7}{2}} \right\}\\
b)\,\,x \in \left\{ {5;145} \right\}
\end{array}\)

C \(\begin{array}{l}
a)\,\,S = \left\{ {\frac{8}{3};4;\frac{7}{2}} \right\}\\
b)\,\,x = 5
\end{array}\)

D \(\begin{array}{l}
a)\,\,x = 4\\
b)\,\,x = 5
\end{array}\)

A \( - 2{a^2};\,\,{a^2}\)

B \({a^2};\,\, - 2{a^2}\)

C \({a^2};\,\, - {a^2}\)

D \(2{a^2};\,\, - {a^2}\)

A \(\begin{array}{l}
a)\,\,M\left( { - \frac{{10}}{9};\frac{{31}}{9}} \right)\\
b)\,\,D\left( {0;\frac{3}{2}} \right)
\end{array}\)

B \(\begin{array}{l}
a)\,\,M\left( { - \frac{{10}}{9};\frac{{31}}{9}} \right)\\
b)\,\,D\left( {0; - \frac{3}{2}} \right)
\end{array}\)

C \(\begin{array}{l}
a)\,\,M\left( {\frac{{10}}{9}; - \frac{{31}}{9}} \right)\\
b)\,\,D\left( {0; - \frac{3}{2}} \right)
\end{array}\)

D \(\begin{array}{l}
a)\,\,M\left( {\frac{{10}}{9};\frac{{31}}{9}} \right)\\
b)\,\,D\left( {0; - \frac{3}{2}} \right)
\end{array}\)

A \(m \in \left[ {2013;2018} \right]\).

B \(m \in \left[ {2013;2017} \right]\).

C \(m \in \left[ {2014;2017} \right]\).

D \(m \in \left[ {2014;2016} \right]\).