Đề ôn tập Chương 4 Đại số lớp 10 năm 2021 Trường THPT Thanh Sơn

A. \(x \in \left( { - \,\infty ; - \,1} \right).\)

B. \(x \in \left( { - \,1; + \,\infty } \right).\)

C. \(x \in \left( { - \,4; - 1} \right).\)

D. \(x \in \left( { - \,\infty ; - \,4} \right) \cup \left( { - 1; + \,\infty } \right).\)

A. \(x \in \left( {\frac{2}{3};1} \right).\)

B. \(x \in \left( { - \infty ;\frac{2}{3}} \right) \cup \left( {1; + \infty } \right).\)

C. \(x \in \left( {\frac{2}{3};1} \right].\)

D. \(x \in \left( { - \infty ;1} \right) \cup \left( {\frac{2}{3}; + \infty } \right).\)

A. \(x \in \left( { - \frac{{11}}{5}; - \frac{1}{3}} \right) \cup \left[ {2; + \infty } \right).\)

B. \(x \in \left( { - \frac{{11}}{5}; - \frac{1}{3}} \right) \cup \left( {2; + \infty } \right).\)

C. \(x \in \left( { - \infty ; - \frac{{11}}{5}} \right] \cup \left( { - \frac{1}{3};2} \right).\)

D. \(x \in \left( { - \infty ; - \frac{{11}}{5}} \right) \cup \left( { - \frac{1}{3};2} \right).\)

A. \(x \in \left( { - 12; - 4} \right) \cup \left( { - 3;0} \right).\)

B. \(x \in \left( { - \frac{{11}}{5}; - \frac{1}{3}} \right) \cup \left( {2; + \infty } \right).\)

C. \(x \in \left( { - \infty ; - \frac{{11}}{5}} \right] \cup \left( { - \frac{1}{3};2} \right).\)

D. \(x \in \left( { - \infty ; - \frac{{11}}{5}} \right) \cup \left( { - \frac{1}{3};2} \right).\)

A. 1

B. 2

C. 3

D. 4

A. 3

B. 5

C. 9

D. Không giới hạn

A. \(\left( {x + 4} \right)\left( {x + 5} \right) < 0.\)

B. \(\left( {x + 4} \right)\left( {5x - 25} \right) < 0.\)

C. \(\left( {x + 4} \right)\left( {5x - 25} \right) \ge 0.\)

D. \(\left( {x - 4} \right)\left( {x - 5} \right) < 0.\)

A. \(\left[ {3;\, + \infty } \right)\)

B. \(\left( { - \infty ;\,3} \right]\)

C. \(\left( {3;\, + \infty } \right)\)

D. \(\left( { - \infty ;\, - 3} \right)\)

A. a - c > b - d

B. a + c > b + d

C. ac > bd

D. \(\frac{a}{c} > \frac{b}{d}\)

A. \(f\left( x \right) > 0;\forall x > - \frac{1}{2}\)

B. \(f\left( x \right) > 0;\forall x < \frac{1}{2}\)

C. \(f\left( x \right) > 0;\forall x > 2\)

D. \(f\left( x \right) > 0;\forall x > 0\)

A. \(Q\left( { - 1; - 3} \right)\)

B. \(M\left( {1;\frac{3}{2}} \right)\)

C. N(1;1)

D. \(P\left( { - 1;\frac{3}{2}} \right)\)

A. \(- {x^2}\left( {x + 5} \right) \le 0\)

B. \(\sqrt {x + 5} \left( {x + 5} \right) \ge 0\)

C. \({\left( {x - 1} \right)^2}\left( {x + 5} \right) \ge 0\)

D. \(\sqrt {x + 5} \left( {x - 5} \right) \ge 0\)

A. \(m \in R\backslash \left\{ 3 \right\}\)

B. \(m \in \left( { - \infty ;\, - \frac{3}{5}} \right) \cup \left( {1;\, + \infty } \right)\backslash \left\{ 3 \right\}\)

C. \(m \in \left( { - \frac{3}{5};\,1} \right)\)

D. \(m \in \left( { - \frac{3}{5};\, + \infty } \right)\)

A.

B.

C.

D.

A. \(\left\{ \begin{array}{l} 0 < a < b\\ 0 < c < d \end{array} \right. \Rightarrow \frac{a}{d} < \frac{b}{c}\)

B. \(\left\{ \begin{array}{l} a < b\\ c < d \end{array} \right. \Rightarrow a - c < b - d\)

C. \(\left\{ \begin{array}{l} a < b\\ c < d \end{array} \right. \Rightarrow a + c < b + d\)

D. \(\left\{ \begin{array}{l} 0 < a < b\\ 0 < c < d \end{array} \right. \Rightarrow ac < bd\)

A. \(\left[ {8; + \infty } \right)\)

B. \(\left( { - \infty ; - 1} \right]\)

C. \(\left( { - \infty ;0} \right]\)

D. \(\left[ {6; + \infty } \right)\)

A. x < 2

B. \(x > - \frac{5}{2}\)

C. Với mọi x

D. \(x > \frac{{20}}{{23}}\)

A. \(x \in \left( { - \infty ;\, - 1} \right] \cup \left[ {5;\, + \infty } \right)\)

B. \(x \in \left[ { - 1;\,5} \right]\)

C. \(x \in \left[ { - 5;\,1} \right]\)

D. \(x \in \left( { - 5;\,1} \right)\)

A. \(S = \left( { - \infty ; - 2} \right) \cup \left( {2; + \infty } \right)\)

B. \(S = \left( { - 2;2} \right)\)

C. \(S = \left( { - \infty ; - 2} \right] \cup \left[ {2; + \infty } \right)\)

D. \(S = \left( { - \infty ;0} \right) \cup \left( {4; + \infty } \right)\)

A. \(\left[ {7; + \infty } \right)\)

B. Ø

C. [7;8]

D. \(\left( {\frac{8}{3};8} \right)\)

A. 10

B. 8

C. 9

D. 7

A. \(S = \left( { - \frac{1}{2};\,2} \right)\)

B. \(S = \left( { - \frac{1}{2};\,2} \right]\)

C. \(S = \left( { - \infty ;\, - \frac{1}{2}} \right) \cup \left( {2;\, + \infty } \right)\)

D. \(S = \left( { - \infty ;\, - \frac{1}{2}} \right) \cup \left[ {2;\, + \infty } \right)\)

A. \(\left( { - \infty ; - 1} \right) \cup \left[ {1; + \infty } \right)\)

B. \(\left( { - \infty ; - 1} \right] \cup \left[ {1; + \infty } \right)\)

C. (-1;1]

D. \(\left( { - \infty ; - 1} \right) \cup \left( {1; + \infty } \right)\)

A. 0<m<4

B. m<0 hoặc m>4 .

C. m>2.

D. m<2.

A. \(m \geq 5\)

B. \(m<\frac{8}{3}\)

C. \(\frac{8}{3}<m<5\)

D. \(\frac{8}{3} \leq m \leq 5\)

A. 1 < m < 3

B. 1 < m < 2

C. m > 2

D. m > 3

A. \(\frac{1}{7}<m<\frac{1}{6}\)

B. \(-\frac{1}{2}<m<\frac{1}{6}\)

C. \(m>\frac{1}{7}\)

D. \(m>0\)

A. \(\left\{\begin{array}{l}m<0 \\ m \neq-1\end{array}\right.\)

B. \(m<0\)

C. \(m \neq-1\)

D. \(\left\{\begin{array}{l}m \neq 0 \\ m \neq-1\end{array}\right.\)

A. \(m \in\left(-\infty ;-\frac{3}{5}\right) \cup(1 ;+\infty) \backslash\{3\}\)

B. \(m \in\left(-\frac{3}{5} ; 1\right)\)

C. \(m \in\left(-\frac{3}{5} ;+\infty\right)\)

D. \(m \in \mathbb{R} \backslash\{3\}\)

A. \(\begin{aligned} &m \in \mathbb{R} \backslash\{0\} \end{aligned}\)

B. \(m \in(-\sqrt{2} ; \sqrt{2}) \text { . }\)

C. \(m \in(-\sqrt{2} ; \sqrt{2}) \backslash\{1\} .\)

D. \(m \in[-\sqrt{2} ; \sqrt{2}] \backslash\{1\}\)

A. \(m \in \mathbb{R}\)

B. \(m \neq 1\)

C. \(-1<m<6\)

D. \(1<m<6\)

A. 4

B. 4

C. 2

D. 1

A. \(\left[\begin{array}{l}m=-1 \\ m=-5\end{array}\right.\)

B. \(-5 \leq m \leq-1\)

C. \(\left[\begin{array}{l}m<-5 \\ m>-1\end{array}\right.\)

D. \(\left[\begin{array}{l}m \leq-5 \\ m \geq-1\end{array}\right.\)