Đề thi HK1 môn Toán lớp 11 Sở GD và ĐT Bà Rịa - Vũ...

A 100.                                        

B  120.                           

C  180.                                       

D  216.

A  \(\frac{{105}}{{286}}\).                     

B  \(\frac{{27}}{{286}}\).                                   

C  \(\frac{{11}}{{143}}\).                                   

D  \(\frac{{63}}{{143}}\).

A  3360.             

B  \(3360{x^6}\).                       

C \(13440\).                                

D  \(13440{x^6}\).

A  \(\frac{1}{{35}}\).                                          

B \(\frac{1}{{10}}\).                                           

C  \(\frac{1}{5}\).                                               

D  \(\frac{2}{{35}}\).

A  \(D = R{\rm{\backslash }}\left\{ 1 \right\}\).                                                                                   

B  \(D = R{\rm{\backslash }}\left\{ {\frac{\pi }{2} + k\pi ,k \in Z} \right\}\).             

C \(D = R{\rm{\backslash }}\left\{ {k\pi ,k \in Z} \right\}\).                                                   

D  \(D = R{\rm{\backslash }}\left\{ {k2\pi ,k \in Z} \right\}\).

A  \(\sin \left( {x + \frac{\pi }{3}} \right) = 1\).             

B  \(\sin \left( {x - \frac{\pi }{3}} \right) = 1\).              

C  \(\cos \left( {x + \frac{\pi }{3}} \right) = 1\).            

D  \(\cos \left( {x - \frac{\pi }{3}} \right) = 1\).

A  \(x = \frac{\pi }{3} + k\pi ,k \in Z\).             

B  \(x = \frac{\pi }{2} + k2\pi ,k \in Z\).

C  \(x = \frac{{2\pi }}{3} + k\pi ,k \in Z\).        

D  \(x = k\pi ,k \in Z\).

A  \(S = 0\).                                

B  \(S = \frac{{5\pi }}{3}\).                                

C  \(S = 2\pi \).   

D  \(S = 4\pi \).

A Phép vị tự tâm A tỉ số \(k = \frac{3}{2}\) biến điểm G thành điểm I.

B  Phép vị tự tâm I tỉ số \(k = \frac{1}{3}\) biến điểm A thành điểm G.                                              

C Phép vị tự tâm A tỉ số \(k = \frac{2}{3}\) biến điểm I thành điểm G.

D  Phép vị tự tâm I tỉ số \(k = \frac{1}{3}\) biến điểm G thành điểm A.

A  \(N\left( {1; - 2} \right)\).                              

B  \(N\left( {1;2} \right)\).                                 

C  \(N\left( { - 1;2} \right)\).                              

D  \(N\left( { - 1; - 2} \right)\).

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

B  \(A = \left( { - 4;3} \right)\).                          

C  \(A = \left( {2;1} \right)\).                             

D  \(A = \left( {2; - 1} \right)\).

A  \(R' = 8\).                              

B  \(R' = 16\).                            

C  \(R' =  - 16\).                         

D  \(R' = 4\).

A  \(2x - y + 7 = 0\).                   

B  \(2x - y + 3 = 0\).                   

C  \( - 2x + y - 1 = 0\).                

D  \( - 2x + y + 1 = 0\).

A  16.                                         

B  20.                                         

C  22.                                         

D  24.

A  \({u_n} = {\left( { - 1} \right)^n}\left( {3 + {2^n}} \right)\).            

B  \({u_n} = \cos n\).                             

C  \({u_n} = {\left( {\frac{3}{2}} \right)^n}\).                          

D  \({u_n} = 1 - 2n\).

A \({u_{10}} =  - 25\).                           

B  \({u_{15}} =  - 40\).                           

C  \({u_{25}} =  - 75\).                           

D  \({u_{26}} =  - 73\).

A  640.                                       

B  600.                                       

C  620.                                       

D  500.

A  49.                                         

B  50.                                         

C  51.                                         

D  52.

A  0.                                           

B  1.                                           

C 2.                                            

D  Vô số.

A d đi qua M và song song đường thẳng SA.              

B  d đi qua M và cắt đường thẳng SB.

C  d đi qua M và song song đường thẳng CD.              

D  d đi qua M và cắt đường thẳng AB.

A

a) \(S = \left\{ {\frac{\pi }{2} + k2\pi ,\,\,\frac{{5\pi }}{6} + k2\pi ;\,k \in Z} \right\}\).

b)\(S = \left\{ {k2\pi ;\,k \in Z} \right\}\). 

c)\(S = \left\{ {\frac{\pi }{2} + k2\pi ,\frac{{7\pi }}{6} + k2\pi ;\,k \in Z} \right\}\).

B a) \(S = \left\{ {\frac{\pi }{6} + k2\pi ,\,\,\frac{{5\pi }}{6} + k2\pi ;\,k \in Z} \right\}\).

b)\(S = \left\{ {k2\pi ;\,k \in Z} \right\}\). 

c)\(S = \left\{ {\frac{\pi }{2} + k2\pi ,\frac{{7\pi }}{6} + k2\pi ;\,k \in Z} \right\}\).

C a) \(S = \left\{ {\frac{\pi }{4} + k2\pi ,\,\,\frac{{5\pi }}{6} + k2\pi ;\,k \in Z} \right\}\).

b)\(S = \left\{ {k2\pi ;\,k \in Z} \right\}\). 

c)\(S = \left\{ {\frac{\pi }{2} + k2\pi ,\frac{{11\pi }}{6} + k2\pi ;\,k \in Z} \right\}\).

D a) \(S = \left\{ {\frac{\pi }{6} + k2\pi ,\,\,\frac{{5\pi }}{6} + k2\pi ;\,k \in Z} \right\}\).

b)\(S = \left\{ {k2\pi ;\,k \in Z} \right\}\). 

c)\(S = \left\{ {\frac{\pi }{11} + k2\pi ,\frac{{7\pi }}{6} + k2\pi ;\,k \in Z} \right\}\).

A a)\(\frac{{88}}{{435}}\)

b)\(S = \left\{ 4 \right\}\).

B a)\(\frac{{58}}{{435}}\)

b)\(S = \left\{ 4 \right\}\).

C a)\(\frac{{88}}{{435}}\)

b)\(S = \left\{ 1 \right\}\).

D a)\(\frac{{88}}{{735}}\)

b)\(S = \left\{ 4 \right\}\).

A \(  - 1 \le m \le 1\).

B \(  - 2 \le m \le 3\).

C \(  - 2 \le m \le 2\).

D \(  - 2 \le m \le 7\).