Đề thi thử THPT QG môn Toán trường THPT Nguyễn Viế...

A \(a\sqrt 3 \)                                

B  \(\dfrac{{a\sqrt 2 }}{2}\)      

C  \(\dfrac{{a\sqrt 3 }}{2}\)      

D  \(a\).

A 1                                                      

B  0                                                     

C  3                                                     

D  2.

A \(f'\left( 0 \right) = 0.\)         

B  \(f'\left( 0 \right) =  - 2018!.\)                                                    

C  \(f'\left( 0 \right) = 2018!.\)                                                        

D  \(f'\left( 0 \right) = 2018.\)

A 0                                                      

B  -4.                                                  

C  2                                                     

D  4

A \(R = 2a\).                                   

B  \(R = a\).                                     

C  \(R = a\sqrt 2 \).                      

D  \(R = 3a\).

A \(y = {x^3} - 3x + 1.\)              

B  \(y = {x^3} + 3x + 1.\)            

C \(y =  - {x^3} + 3x + 1.\)          

D  \(y = {x^3} - 3{x^2} - 1.\)

A \(\dfrac{{13}}{{630}}\)           

B  \(\dfrac{{13}}{{360}}\)          

C \(\dfrac{{11}}{{630}}\).          

D  \(\dfrac{{11}}{{360}}\)

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

B  \(\left( { - 1;0} \right).\)       

C  \(\left( { - 2; - 1} \right).\)   

D  \(\left( {0;2} \right).\)

A \(\dfrac{{\sqrt 2 }}{2}\).        

B  \( - \dfrac{{3\sqrt 2 }}{2}\)   

C \( - \dfrac{{\sqrt 2 }}{2}\)

D  \(\dfrac{{3\sqrt 2 }}{2}\)

A \(y = \dfrac{{2x + 1}}{{x + 1}}\).                                                   

B  \(y = \dfrac{{x - 1}}{{x + 1}}\).

C  \(y = \dfrac{{x + 2}}{{x + 1}}\).                                                    

D  \(\dfrac{{x + 3}}{{1 - x}}\)

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

B  \({\rm{D}} = R\)

C  \({\rm{D}} = R\backslash \left\{ 0 \right\}.\)                       

D

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

A (1;2).                                             

B  (1;-2).                                           

C  (-2;1).                                           

D  (2;1).

A \(SD \bot AC\)                           

B  \(BC \bot SB\)                          

C \(CD \bot SD\)                           

D \(SA \bot BD\)

A \(( - \infty ;2).\)                                        

B  \(( - 1;1).\)        

C  \((2; + \infty ).\)                                       

D \(\left( {\dfrac{3}{2};\dfrac{5}{2}} \right).\)

A \(y =  - {x^4} + 2{x^2} + 2\). 

B  \(y = {x^4} - 2{x^2} + 2\).     

C  \(y = {x^4} - 4{x^2} + 2\).     

D

 \(y = {x^4} - 2{x^2} + 3\).

A Hàm số nghịch biến trên các khoảng \(\left( { - \infty ; - 1} \right)\) và \(\left( { - 1; + \infty } \right)\).

B  Hàm số đồng biến trên \(R\backslash \left\{ { - 1} \right\}\).

C  Hàm số nghịch biến trên \(R\backslash \left\{ { - 1} \right\}\).

D  Hàm số đồng biến trên các khoảng \(\left( { - \infty ; - 1} \right)\) và \(\left( { - 1; + \infty } \right)\).

A \( - 46\)                                        

B  \( - 23\)                                       

C  \( - 2\)                                          

D  \(46\)

A 3

B 1

C 2

D 0

A 1

B 3

C 4

D 2

A \(0\)                                                     

B  \( + \infty \).                             

C  \( - 2\)                                          

D  \( - \infty \)

A \(\dfrac{a}{3}.\)                        

B \(\dfrac{{2a}}{3}.\)                  

C  \(\dfrac{{a\sqrt 3 }}{2}\)      

D  \(\dfrac{a}{2}.\)

A \(y' =  - \dfrac{3}{{{{(x - 1)}^2}}}\)                                              

B  \(y' = \dfrac{1}{{{{(x - 1)}^2}}}\)                                                

C  \(y' = \dfrac{3}{{{{(x - 1)}^2}}}\)                                                

D  \(y' = 2\)

A \(6c{m^3}\).                               

B  \(8cm\)                                       

C  \(6c{m^2}\)                               

D  \(8c{m^3}\)

A -312540600.                                

B  -212540500.                               

C  -312540500.                               

D  -212540600.

A 3

B 2

C 0

D 1

A 3

B 4

C 2

D 1

A y  =  x + 2                                      

B  y =  x -1                                        

C  y = - x + 2                                    

D  y = - x – 3.

A 1

B 0

C 3

D 2

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

B  \(\left( {0;1} \right)\).           

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

D \(\left( {2; + \infty } \right)\).

A  Ba điểm \(A,\,B,\,C\) bất kì thì \(\overrightarrow {AC\,\,}  = \overrightarrow {AB\,\,}  + \overrightarrow {BC\,\,} \).

B  \(I\) là trung điểm \(AB\) thì \(\overrightarrow {MI\,\,}  = \overrightarrow {MA\,\,}  + \overrightarrow {MB\,\,} \)với mọi điểm \(M\).

C  \(ABCD\) là hình bình hành thì \(\overrightarrow {AC\,\,}  = \overrightarrow {AB\,\,}  + \overrightarrow {AD\,\,} \).

D  \(G\) là trọng tâm \(\Delta ABC\) thì \(\overrightarrow {GA\,\,}  + \overrightarrow {GB\,\,}  + \overrightarrow {GC\,\,}  = \overrightarrow {0\,\,} \).

A \(\mathop {\max }\limits_{x \in D} f\left( x \right) = 1,\,\,\mathop {\min }\limits_{x \in D} f\left( x \right) = \dfrac{{19}}{{27}}\).                                                                               

B  \(\mathop {\max }\limits_{x \in D} f\left( x \right) = \dfrac{3}{4},\,\,\mathop {\min }\limits_{x \in D} f\left( x \right) =  - 3\).

C  \(\mathop {\max }\limits_{x \in D} f\left( x \right) = \dfrac{3}{4},\,\,\mathop {\min }\limits_{x \in D} f\left( x \right) = \dfrac{{19}}{{27}}\).                                                             

D  \(\mathop {\max }\limits_{x \in D} f\left( x \right) = 1,\,\,\mathop {\min }\limits_{x \in D} f\left( x \right) =  - 3\).

A 1

B -2

C 0

D -5

A \(V = \dfrac{{\sqrt 2 {a^3}}}{{18}}\)                                           

B  \(V = \dfrac{{11\sqrt 2 {a^3}}}{{216}}\)                                   

C \(V = \dfrac{{13\sqrt 2 {a^3}}}{{216}}\)                                    

D  \(V = \dfrac{{7\sqrt 2 {a^3}}}{{216}}\)

A 3

B 2

C 0

D 1

A \(\overrightarrow {AB}  = \left( { - 8;14} \right)\)               

B  \(\overrightarrow {AB}  = \left( {8;14} \right)\)                  

C  \(\overrightarrow {AB}  = \left( {7; - 4} \right)\)                 

D  \(\overrightarrow {AB}  = \left( {7;4} \right)\)

A \(n = 2017\).                               

B  \(n = 2019\).                              

C  \(n = 2018\).                              

D  \(n = 2016\).

A m = -3                                                  

B  m = - 4                                         

C  m = 0                                            

D  m = 4

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

B  \(y = 2x.\)                                   

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

D  \(x + 2y = 0.\)

A \(\dfrac{{5{a^3}}}{{96}}\)     

B  \(\dfrac{{5{a^3}\sqrt 2 }}{{96}}\)                                               

C  \(\dfrac{{5{a^3}\sqrt 3 }}{{96}}\)                                               

D  \(\dfrac{{5{a^3}\sqrt 5 }}{{96}}\)

A \(6720\)                                       

B  \(56\)                                           

C  \(40320\)                                    

D  \(336\)

A \(P(1;0)\)                                     

B  \(M(0; - 1)\)                              

C  \(N(1; - 10)\)                             

D  \(Q( - 1;10)\)

A \({u_2} =  - 6\)                           

B  \({u_1} =  - 3\)                          

C  \({u_4} = 12\).                          

D  \({u_3} =  - 9\)

A \(y = 3\).                                      

B  \(x =  - 2\).                                 

C  \(x = 1\).                                     

D  \(y =  - 2\).

A \(V = \dfrac{{{a^3}\sqrt 3 }}{2}\).                                               

B  \(V = \dfrac{{{a^3}\sqrt 3 }}{3}\).                                              

C  \(V = \dfrac{{{a^3}\sqrt 3 }}{4}\).                                              

D  \(V = \dfrac{{{a^3}}}{3}\).

A \(x = \dfrac{\pi }{3} + k2\pi \)                                                      

B  \(x = \dfrac{\pi }{6} + k2\pi \)                                                     

C  \(x = \dfrac{\pi }{3} + k\pi \)                                                       

D  \(x = \dfrac{\pi }{6} + k\pi \)

A \({V_{S.ABCD}} = 6{a^3}\sqrt 3 \)                                              

B  \({V_{S.ABCD}} = \dfrac{{6{a^3}\sqrt {15} }}{5}\)               

C  \({V_{S.ABCD}} = \dfrac{{3{a^3}\sqrt {15} }}{5}\)               

D  \({V_{S.ABCD}} = 6{a^3}\)

A Điểm \(N.\)                        

B  Điểm \(M.\)                      

C  Điểm \(P.\)                        

D  Điểm \(Q.\)

A \(\overrightarrow {u\,} \left( {2;\,2} \right)\).                     

B  \(\overrightarrow {u\,} \left( {1;\, - 4} \right)\).                

C  \(\overrightarrow {u\,} \left( { - 4;\,1} \right)\).                

D  \(\overrightarrow {u\,} \left( { - 1;\,4} \right)\).