Đề thi HK1 môn Toán lớp 11 Sở GD và ĐT Bình Phước...

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

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

C  \(D = R{\rm{\backslash }}\left\{ { - \frac{\pi }{2} + k2\pi ,k \in Z} \right\}\).                                            

D  \(D = R{\rm{\backslash }}\left\{ {\frac{\pi }{2} + k2\pi ,k \in Z} \right\}\).

A  Hàm số chẵn.                                                            

B Hàm số lẻ.                  

C Hàm số không chẵn, không lẻ.                                               

D  Hàm số không xác định được tính chẵn lẻ.

A  \(P = 2\sqrt 2 \).                                

B  \(P = \sqrt 2 \).                                  

C  \(P = 0\).                                

D  \(P = 2\).

A  \( - 1 \le m \le 1\).                               

B  \(m \ge 1\).                             

C  \(0 \le m \le 2\).                                  

D  \(m \ge 2\).

A  \(\left\{ {\frac{\pi }{2} + k\pi ,k \in Z} \right\}\).                  

B \(\left\{ {\frac{\pi }{8} + k\pi ,k \in Z} \right\}\).                  

C \(\left\{ {\frac{\pi }{8} + k\frac{\pi }{4},k \in Z} \right\}\).               

D  \(\left\{ {\frac{\pi }{8} + k\frac{\pi }{2},k \in Z} \right\}\).

A  \(\left\{ {\dfrac{\pi }{6} + k\dfrac{\pi }{2},k \in Z} \right\}\).              

B  \(\left\{ {\dfrac{\pi }{{12}} + k\dfrac{\pi }{2},k \in Z} \right\}\).                     

C  \(\left\{ {\dfrac{{2\pi }}{3} + k\pi ,k \in Z} \right\}\).             

D  \(\left\{ {\dfrac{\pi }{3} + k\pi ,k \in Z} \right\}\).

A  \(m < \frac{1}{{20}}\).                                  

B  \(m \ge \frac{1}{{20}}\).                                

C  \(m \le \frac{1}{{20}}\).                                 

D  \(m > \frac{1}{{20}}\).

A  \(\left\{ { \pm \frac{\pi }{6} + k\pi ,k \in Z} \right\}\).                     

B  \(\left\{ { \pm \frac{\pi }{6} + k2\pi ,k \in Z} \right\}\).       

C  \(\left\{ { \pm \frac{\pi }{3} + k\pi ,k \in Z} \right\}\).         

D  \(\left\{ { \pm \frac{\pi }{3} + k2\pi ,k \in Z} \right\}\).

A  60.                                         

B  120.                                       

C  720.                           

D  48.

A  1140.                         

B  270.                                       

C  6840.                         

D  870.

A  \(C_n^k = \frac{{n!}}{{k!\left( {n - k} \right)!}}\).             

B  \({P_n} = n!\).                                   

C \(C_n^k = C_n^{k - n}\).                             

D  \(A_n^k = \frac{{n!}}{{\left( {n - k} \right)!}}\).

A 1440.                          

B 720.                                        

C  240.                                       

D  120.

A  48.                                         

B  60.                                         

C  360.                                       

D  80.

A  \(C_{10}^6{2^4}{\left( { - 3x} \right)^6}\).             

B  \( - C_{10}^6{2^4}{3^6}\).                           

C  \(C_{10}^6\).                                    

D  \(C_{10}^6{2^4}{3^6}\).

A  20.                                         

B  21.                                         

C  35.                                         

D  42.

A  6.                                           

B  8.                                           

C  12.                                         

D  36.

A \(P\left( A \right) = \frac{{11}}{{40}}\).                   

B \(P\left( A \right) = \frac{2}{{15}}\).                         

C \(P\left( A \right) = \frac{6}{{25}}\).             

D  \(P\left( A \right) = \frac{{12}}{{49}}\).

A  \(P\left( A \right) = 0,325\).              

B  \(P\left( A \right) = 0,6375\).            

C  \(P\left( A \right) = 0,0375\).            

D  \(P\left( A \right) = 0,9625\).

A  \(\left( {C'} \right):{x^2} + {\left( {y + 1} \right)^2} = 4\).                                                  

B  \(\left( {C'} \right):{\left( {x - 1} \right)^2} + {\left( {y + 1} \right)^2} = 4\).                     

C  \(\left( {C'} \right):{\left( {x - 2} \right)^2} + {\left( {y + 1} \right)^2} = 4\).                                             

D  \(\left( {C'} \right):{\left( {x - 2} \right)^2} + {\left( {y - 1} \right)^2} = 4\).

A  \(\varphi  = 60^\circ \).                                 

B  \(\varphi  = 90^\circ \).                                 

C  \(\varphi  = 120^\circ \).                               

D  \(\varphi  = 180^\circ \).

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

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

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

D  \(A'\left( { - 1; - 2} \right)\).

A  \( - \frac{1}{2}\).                               

B  \(\frac{1}{2}\).                                               

C  \(\frac{2}{3}\).                                               

D  \( - \frac{1}{3}\).

A  \({\left( {x + 1} \right)^2} + {\left( {y - 10} \right)^2} = 36\).                                                          

B  \({\left( {x - 2} \right)^2} + {\left( {y - 6} \right)^2} = 36\).             

C  \({\left( {x - 1} \right)^2} + {\left( {y - 10} \right)^2} = 36\).                                                           

D  \({\left( {x - 2} \right)^2} + {\left( {y + 4} \right)^2} = 36\).

A Hai mặt phẳng có một điểm chung thì chúng có vô số điểm chung khác nữa.

B  Hai     mặt phẳng có một điểm chung thì chúng có một đường thẳng chung duy nhất.                              

C  Hai     mặt phẳng phân biệt có một điểm chung thì chúng có một đường thẳng chung duy nhất.               

D  Hai     mặt phẳng cùng đi qua 3 điểm phân biệt không thẳng hàng thì hai mặt phẳng đó trùng nhau.

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

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

C \(\frac{2}{3}\).                                    

D  \(\frac{1}{2}\).

A  Hình thang.                           

B Hình bình hành.                     

C  Hình tam giác.                       

D  Tam giác cân.

A a)\(\left\{ {\frac{{2\pi }}{9} + k\frac{{2\pi }}{3},\,\,k\frac{{2\pi }}{3},k \in Z} \right\}\).

b)\(\left\{ {\frac{{2\pi }}{9} + k\frac{{2\pi }}{3},\,\,k\frac{{2\pi }}{3},k \in Z} \right\}\).

B a)\(\left\{ {\frac{{2\pi }}{9} + k\frac{{2\pi }}{3},\,\,k\frac{{2\pi }}{3},k \in Z} \right\}\).

b)\(\left\{ {\frac{{2\pi }}{21} + k\frac{{2\pi }}{3},\,\,k\frac{{2\pi }}{3},k \in Z} \right\}\).

C a)\(\left\{ {\frac{{2\pi }}{11} + k\frac{{2\pi }}{3},\,\,k\frac{{2\pi }}{3},k \in Z} \right\}\).

b)\(\left\{ {\frac{{2\pi }}{9} + k\frac{{2\pi }}{3},\,\,k\frac{{2\pi }}{3},k \in Z} \right\}\).

D a)\(\left\{ {\frac{{2\pi }}{9} + k\frac{{2\pi }}{3},\,\,k\frac{{2\pi }}{3},k \in Z} \right\}\).

b)\(\left\{ {\frac{{5\pi }}{9} + k\frac{{2\pi }}{3},\,\,k\frac{{2\pi }}{3},k \in Z} \right\}\).

A a)7 908 035 230 cách

b)\(\frac{{45}}{{209}}\)

B a)7 508 035 520 cách

b)\(\frac{{45}}{{209}}\)

C a)7 908 035 520 cách

b)\(\frac{{45}}{{109}}\)

D a)7 908 035 520 cách

b)\(\frac{{45}}{{209}}\)