Đề thi HK2 môn Toán lớp 11 THPT Chương Mỹ B Hà Nộ...

A \( + \infty \)                            

B \(\dfrac{{12}}{5}\)                

C \(1\)                                        

D \( - \infty \)

A \(f\left( x \right) = \dfrac{{{x^2} + x}}{{x - 1}}\)          

B \(f\left( x \right) = \dfrac{{{x^2} + x}}{x}\)                  

C \(f\left( x \right) = \dfrac{{{x^2} + x + 1}}{x}\)            

D \(f\left( x \right) = \dfrac{{{x^2} + x + 1}}{{x - 1}}\)

A \(\overrightarrow {MA}  - m\overrightarrow {PD} \) 

B \(\overrightarrow {MN}  - m\overrightarrow {PD} \) 

C \(\overrightarrow {MN}  - m\overrightarrow {QC} \) 

D \(\overrightarrow {MB}  - m\overrightarrow {QC} \)

A 3

B 1

C 0

D 2

A \( - 1 + \dfrac{3}{{{{\left( {x - 2} \right)}^2}}}\)           

B \(1 + \dfrac{3}{{{{\left( {x - 2} \right)}^2}}}\)              

C \(1 - \dfrac{3}{{{{\left( {x - 2} \right)}^2}}}\)               

D \( - 1 - \dfrac{3}{{{{\left( {x - 2} \right)}^2}}}\)

A \( + \infty \)                            

B \(2\)                                        

C \(3\)                                        

D \( - \infty \)

A \({30^0}\)                               

B \({60^0}\)                               

C \({45^0}\)                               

D \({75^0}\)

A \(1\)                                        

B \( - 1\)                                     

C \(0\)                                        

D \(\dfrac{3}{4}\)

A \( - 3\)                                     

B \(0\)                                        

C \(7\)                                        

D \( + \infty \)

A \({45^0}\)                               

B \({60^0}\)                               

C \({30^0}\)                               

D \({90^0}\)

A \(\left[ \begin{array}{l}x =  - 21x - 33\\y =  - 21x + 31\end{array} \right.\)         

B \(\left[ \begin{array}{l}x =  - \dfrac{1}{{21}}x - 33\\y =  - \dfrac{1}{{21}}x + 31\end{array} \right.\)

C \(\left[ \begin{array}{l}x = 21x - 33\\y = 21x + 31\end{array} \right.\)                

D \(\left[ \begin{array}{l}x = \dfrac{1}{{21}}x - 33\\y = \dfrac{1}{{21}}x + 31\end{array} \right.\)

A \(m =  \pm 2\)                        

B Không tồn tại \(m\)                

C \(m =  \pm 4\)                        

D \(m =  \pm \sqrt 5 \)

A \( - 29\)                                   

B Không xác định                      

C \( + \infty \)                            

D \( - \infty \)

A \(\dfrac{{\sqrt 2 }}{2}\)        

B \(\dfrac{{\sqrt 6 }}{3}\)        

C \(\dfrac{{\sqrt 3 }}{2}\)        

D \(\dfrac{{\sqrt 3 }}{3}\)

A \(\dfrac{{a\sqrt {15} }}{6};\,\,\dfrac{{a\sqrt 3 }}{3}\)  

B \(\dfrac{{\sqrt 3 }}{2};\,\,\dfrac{{a\sqrt 7 }}{2}\)         

C \(\dfrac{{a\sqrt {15} }}{6};\,\,\dfrac{{a\sqrt 7 }}{2}\)  

D \(\dfrac{{a\sqrt 3 }}{3};\,\,\dfrac{{a\sqrt 7 }}{2}\)

A \(1\)                                        

B \( - \infty \)                             

C \( + \infty \)                            

D \(0\)

A \(\mathop {\lim }\limits_{x \to {1^ - }} f\left( x \right) = 0\)                                              

B \(\mathop {\lim }\limits_{x \to {1^ + }} f\left( x \right) = \mathop {\lim }\limits_{x \to {1^ - }} f\left( x \right)\)

C Hàm số gián đoạn tại \(x = 1\)                                         

D \(\mathop {\lim }\limits_{x \to {1^ + }} f\left( x \right) = 0\)

A \(2018\)                                  

B \(2017\)                                  

C \(a\)                                        

D \( + \infty \)

A \({150^0}\)                             

B \({30^0}\)                               

C \({170^0}\)                             

D \({10^0}\)

A \(m \ge \dfrac{9}{8}\)            

B \(m > \dfrac{9}{8}\)              

C \(m \le \dfrac{9}{8}\)            

D \(m < \dfrac{9}{8}\)

A \(\dfrac{{\sqrt {13} }}{4}\)   

B \(\sqrt 3 \)                              

C \(1\)                                        

D \(\dfrac{4}{{\sqrt {13} }}\)

A \(\dfrac{{{a^2}}}{2}\)           

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

C \({a^2}\)                                 

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

A \(SA \bot \left( {ABCD} \right)\)                                   

B \(AC \bot \left( {SBD} \right)\)                                      

C \(BD \bot \left( {SAC} \right)\)                                      

D \(AB \bot \left( {SAC} \right)\)

A \(a = 4\)                                  

B \(a =  - 6\)                               

C \(a =  - 5\)                               

D \(a = 6\)

A \(\dfrac{{80}}{{27}}\)           

B \(\dfrac{{40}}{{27}}\)           

C \( - \dfrac{{40}}{{27}}\)        

D \( - \dfrac{{80}}{{27}}\)

A \({30^0}\)                               

B \({60^0}\)                               

C \({90^0}\)                               

D \({45^0}\)

A \(\mathbb{R}\)                      

B \(\left[ {0; + \infty } \right)\)

C  \(x \in \emptyset \)               

D \(x \in \left( { - \infty ;0} \right]\)

A \(1,9974\)                               

B \(1,9975\)                               

C \(1,9976\)                               

D \(1,9977\)

A \(\dfrac{{8\pi }}{3}\)             

B \(2\pi \)                                   

C \(8\)                                        

D \(\dfrac{{4\sqrt 3 }}{3}\)

A \(\frac{-5}{4}\)

B \(\frac{-3}{4}\)

C \(\frac{-5}{7}\)

D \(\frac{5}{4}\)

A 291

B 290

C 293

D 292

A \(x=\frac{\pi }{4}+k2\pi \) và \(x=\frac{-\pi }{6}+\frac{k2\pi }{3}\)

B \(x=\frac{\pi }{2}+k2\pi \) và \(x=\frac{-\pi }{6}+\frac{k2\pi }{3}\)

C \(x=\frac{\pi }{2}+k2\pi \) và \(x=\frac{-\pi }{6}+\frac{k2\pi }{7}\)

D \(x=\frac{\pi }{2}+k2\pi \) và \(x=\frac{\pi }{6}+\frac{k2\pi }{3}\)