Đề thi HK1 môn Toán lớp 10 Trường THPT Phước Vĩnh...

A

 \(S = \mathbb{R}\)            

B

\(S = \emptyset \)                

C

\(S = \left\{ {\frac{2}{5};2} \right\}\)                            

D  \(S = \left\{ 2 \right\}\)

A

\(\left\{ { - 2,0,1,2,3,4,5,6,9} \right\}\)                          

B

\(\left\{ { - 2,0,9} \right\}\)

C

\(\left\{ {3,5} \right\}\)                                                  

D  \(\left\{ {1,2,4,6} \right\}\)

A

 \(\left\{ {3,5} \right\}\)                                                 

B

\(\left\{ {1,2,4,6} \right\}\)

C

 \(\left\{ { - 2,0,9} \right\}\)                                           

D  \(\left\{ { - 2,0,1,2,3,4,5,6,9} \right\}\)

A

(d) cắt trục hoành tại \(B\left( {0;\frac{1}{2}} \right)\)                     

B

 Điểm \(A\left( {\frac{1}{2};1} \right)\) thuộc đường thẳng (d).

C

Hàm số f đồng biến trên R                             

D  Hàm số f nghịch biến trên R

A

12                                       

B

 20                                       

C

 \( - 20\)                               

D  17

A

 \(m = \frac{1}{2}\)            

B

 \(m = 1\)                             

C

 \(m =  - 1\)                          

D  \(m = \frac{3}{2}\)

A

\(2 \le m \le 11\)  

B

 \(2 < m < 11\)                     

C

 \(2 < m < 6\)                       

D  \(0 < m < 11\)

A

  a=-1                               

B

 \(a =  - 1,\,a = \frac{7}{3}\)

C

 \(a = \frac{7}{3}\)              

D  \(a =  - 1,\,a = \frac{1}{3}\)

A

 \({x^2} - 8x - 15 = 0\)                 

B

 \({x^2} - 8x + 15 = 0\)    

C

 \({x^2} + 8x - 15 = 0\)                

D  \({x^2} + 8x + 15 = 0\)

A

 \(m \in \left[ {\frac{3}{4};1} \right]\)            

B

 \(m \in \left( { - \infty ;\frac{3}{4}} \right) \cup \left( {1; + \infty } \right)\)          

C

 \(m \in \left( { - \infty ;1} \right)\)                            

D  \(m \in \left( {\frac{3}{4};1} \right)\)

A

\(\left( {2;6} \right)\)         

B

\(\left( {\frac{3}{2}; - \frac{9}{2}} \right)\)                  

C

\(\left( { - \frac{3}{2};\frac{9}{2}} \right)\)                  

D  \(\left( { - \frac{3}{2}; - \frac{9}{2}} \right)\)

A

 \(f\left( x \right) = \sqrt {3x + 1} \)                              

B

 \(f\left( x \right) = \frac{{\left| {x - 1} \right| + \left| {x + 1} \right|}}{{{x^2}}}\)     

C

 \(f\left( x \right) = 2x - 5{x^3}\)                                  

D  \(f\left( x \right) = \frac{{ - {x^2} + \left| x \right|}}{x}\)

A

 \(m < 3\)                                  

B

 \(m \ge 3\)                    

C

 \(m \le 3\)                                 

D  \(m > 3\)

A

 \(A\backslash B = A\)      

B

 \(A = B\)                            

C

\(A \cap B = B\)                  

D  \(A \cup B = B\)

A

 \(I\left( {\frac{1}{2};\frac{{ - 9}}{4}} \right)\)            

B

 \(I\left( {\frac{1}{4};\frac{{ - 9}}{8}} \right)\)             

C

 \(I\left( {\frac{1}{4}; - \frac{9}{8}} \right)\)                

D  \(I\left( { - \frac{1}{4};\frac{{ - 9}}{8}} \right)\)

A

 \(\overrightarrow {AB}  + \overrightarrow {AC}  = \overrightarrow {BC} \)    

B

\(\overrightarrow {CA}  - \overrightarrow {BA}  = \overrightarrow {BC} \)     

C

 \(\overrightarrow {AB}  + \overrightarrow {CA}  = \overrightarrow {CB} \)    

D  \(\overrightarrow {AB}  - \overrightarrow {BC}  = \overrightarrow {CA} \)

A

 \(\overrightarrow c  = \left( { - 3; - 4} \right)\)           

B

\(\vec c\left( {3; - 4} \right)\)                                         

C

 \(\overrightarrow c  = \left( { - 2; - 3} \right)\)           

D  \(\overrightarrow c  = \left( { - 3; - 2} \right)\)

A

 \(\left( {14;17} \right)\)      

B

 \(\left( {\frac{{14}}{3};5} \right)\)                               

C

 \(\left( {\frac{{14}}{3};\frac{{17}}{3}} \right)\)          

D

 \(\left( {4;5} \right)\)

A

 \( - \overrightarrow {OA}  + \overrightarrow {OC} \)                                          

B

 \(\overrightarrow {DC}  - \overrightarrow {CB} \) 

C

 \(\overrightarrow {BC}  + \overrightarrow {AB} \) 

D  \(\overrightarrow {CB}  + \overrightarrow {CD} \)

A

 \(\left( {2;1} \right)\)         

B

 \(\left( {3;2} \right)\)          

C

 \(\left( {2;3} \right)\)          

D  \(\left( {5;0} \right)\)

A

\(m + n =  - 1\)                  

B

 \(m + n = 4\)                      

C

\(m + n = 0\)                       

D  \(m + n = 1\)

A

 \(0\)                                    

B

 \(\sqrt 2 \)

C

 2                                         

D

 \(\sqrt 3 \)

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

B \(D = \left[ {  1; + \infty } \right)\).

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

D \(D = \left[ { 0; + \infty } \right)\).

A \(S = \left\{ 1 \right\}\). 

B \(S = \left\{ 3 \right\}\). 

C \(S = \left\{ 2 \right\}\). 

D \(S = \left\{ 0 \right\}\). 

A  \(m =  1\).

B  \(m =  0\).

C  \(m =  - 1\).

D  \(m =  - 2\).