Đề thi thử THPT QG môn Toán THPT Chuyên KHTN- Hà N...

A $y =  - {x^4} + 2{x^2} + 1$

B $y = {x^4} - 2{x^2} + 1$

C $y = {x^3} - 3x + 1$

D $y =  - {x^3} + 3x + 1$

A $x = 4$

B $x = \dfrac{7}{2}$

C $x = \dfrac{9}{2}$

D $x = 5$

A $\dfrac{{4\pi {a^3}}}{3}$

B $2\pi {a^3}$

C $\dfrac{{2\pi {a^3}}}{3}$

D $4\pi {a^3}$

A $\left( {1;1;0} \right)$

B $2;2;0$

C $\left( { - 2; - 4;2} \right)$

D $\left( { - 1; - 2;1} \right)$

A $\dfrac{{\sqrt 3 {a^3}}}{3}$

B $\dfrac{{\sqrt 3 {a^3}}}{6}$

C $\dfrac{{{a^3}}}{3}$

D $\dfrac{{2{a^3}}}{3}$

A $\left( { - \infty ;1} \right)$

B $\left( { - 1;2} \right)$

C $\left( {3; + \infty } \right)$

D $\left( {1;3} \right)$

A $\dfrac{1}{2} + 4{\log _a}b$  

B $2 + 4{\log _a}b$

C $\dfrac{1}{2} + {\log _a}b$

D $2 + {\log _a}b$

A $\overrightarrow {{u_1}}  = \left( {2;0; - 3} \right)$

B $\overrightarrow {{u_2}}  = \left( {0;2; - 3} \right)$

C $\overrightarrow {{u_3}}  = \left( {2; - 3;1} \right)$

D $\overrightarrow {{u_4}}  = \left( {2; - 3;0} \right)$

A ${x^3} + \cos \,x + C$

B $6x + \cos \,x + C$

C ${x^3} - \cos \,x + C$

D $6x - \cos \,x + C$

A $- 1$

B

$1$

C $- 4$

D $5$

A 300

B 25

C 150

D 50

A $S = \int\limits_a^b {\left| {f\left( x \right)} \right|dx}$

B $S = \pi \int\limits_a^b {\left| {f\left( x \right)} \right|dx}$

C $S = \left| {\int\limits_a^b {f\left( x \right)dx} } \right|$

D $S = \pi \left| {\int\limits_a^b {f\left( x \right)dx} } \right|$

A $Q\left( { - 2;1; - 3} \right)$

B $P\left( {2; - 1;3} \right)$

C $M\left( { - 1;1;2} \right)$

D $N\left( {1; - 1;2} \right)$

A 3

B 6

C 2

D 4

A $x =  - 1$

B $x = 2$

C $x = 1$

D $x =  - 2$

A 3

B 5

C 4

D 6

A 4

B 2

C 3

D 1

A $x + y - z - 2 = 0$

B $x + y - z + 2 = 0$

C $x + 2y - z - 3 = 0$

D $x + 2y - z + 3 = 0$

A $\int\limits_{ - 1}^2 {\left( {2{x^2} - 2x - 4} \right)dx}$

B $\int\limits_{ - 1}^2 {\left( {2{x^2} + 2x - 4} \right)dx}$

C $\int\limits_{ - 1}^2 {\left( { - 2{x^2} + 2x + 4} \right)dx}$

D $\int\limits_{ - 1}^2 {\left( { - 2{x^2} - 2x + 4} \right)dx}$

A $20$

B $4$

C $2\sqrt 2$

D $\sqrt {10}$

A $I\left( {2;\; - 3} \right),\;R = \sqrt 2$

B $I\left( {2;\; - 3} \right),\;R = 2$

C $I\left( { - 2;\;3} \right),\;R = \sqrt 2$

D $I\left( { - 2;\;3} \right),\;R = 2$

A 9

B 18

C 3

D 27

A $\dfrac{1}{2}\left( {3 + {{\log }_2}a + {{\log }_2}b} \right)$

B $\dfrac{1}{2}\left( {1 + {{\log }_2}a + {{\log }_2}b} \right)$           

C $1 + \dfrac{1}{2}\left( {{{\log }_2}a + {{\log }_2}b} \right)$

D $2 + \dfrac{1}{2}\left( {{{\log }_2}a + {{\log }_2}b} \right)$

A $8\pi {a^3}$

B $64\pi {a^3}$

C $32\pi {a^3}$

D $16\pi {a^3}$

A $- \dfrac{{15}}{4}$   

B $- \dfrac{7}{2}$

C $- 3$

D $- 4$

A $\frac{{\sqrt 3 a}}{2}$

B $a$

C $\sqrt 3 a$

D $2a$

A ${45^0}$

B ${90^0}$

C ${60^0}$

D ${30^0}$

A 13

B 32

C 40

D 36

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

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

C $N\left( {0; - 1;\;2} \right)$

D $M\left( { - 1; - 1;\;1} \right)$

A 3

B -1

C 2

D 1

A 5

B 3

C 1

D vô số

A $\dfrac{{\sqrt 3 {a^3}}}{8}$

B $\dfrac{{\sqrt 3 {a^3}}}{{24}}$

C $\dfrac{{\sqrt 3 {a^3}}}{{48}}$

D $\dfrac{{\sqrt 3 {a^3}}}{{12}}$

A 0

B 3

C 1

D 2

A $\ln \left| {x + 1} \right| + 2\ln \left| {x + 2} \right| + C$

B $2\ln \left| {x + 1} \right| + \ln \left| {x + 2} \right| + C$

C $2\ln \left| {x + 1} \right| - \ln \left| {x + 2} \right| + C$

D $- \ln \left| {x + 1} \right| + 2\ln \left| {x + 2} \right| + C$

A $\left( { - 3;3} \right)$

B $\left[ { - 3;3} \right]$

C $\left( {\dfrac{3}{2};\dfrac{3}{2}} \right)$

D $\left[ {\dfrac{3}{2};\dfrac{3}{2}} \right]$

A $1$

B $\sqrt 2$

C $2\sqrt 2$

D $2$

A $\dfrac{{17}}{{36}}$

B $\dfrac{{19}}{{36}}$

C $\dfrac{1}{2}$

D $\dfrac{4}{9}$

A $19$

B $- 19$

C $5$

D $- 5$

A 2

B 1

C 3

D 4

A $\frac{{\sqrt 3 {a^3}}}{{12}}$   

B  $\frac{{\sqrt 3 {a^3}}}{4}$   

C $\frac{{\sqrt 3 {a^3}}}{6}$       

D  $\frac{{\sqrt 3 {a^3}}}{3}$

A $\frac{x}{{ - 1}} = \frac{y}{1} = \frac{z}{2}$    

B $\frac{x}{2} = \frac{y}{1} = \frac{z}{1}$     

C  $\frac{x}{1} = \frac{y}{1} = \frac{z}{2}$       

D $\frac{x}{2} = \frac{y}{1} = \frac{z}{{ - 1}}$

A $4 < f\left( 3 \right) < 6$     

B  $f\left( 3 \right) < 2$ 

C $2 < f\left( 3 \right) < 4$  

D $f\left( 3 \right) > 6$

A $\left( {0;1} \right)$   

B  $\left( { - 2; - 1} \right)$       

C $\left( { - 2;1} \right)$    

D $\left( { - 4; - 3} \right)$

A  $- 2$  

B $- 4$     

C $4$   

D $2$

A $3$     

B $2$           

C $\frac{8}{3}$  

D $\frac{4}{3}$

A 7       

B  5       

C 13       

D 11

A $\frac{{\sqrt 6 {a^3}}}{3}$      

B $\frac{{\sqrt 3 {a^3}}}{6}$  

C $2\frac{{\sqrt 6 {a^3}}}{3}$           

D  $\frac{{2\sqrt 3 {a^3}}}{3}$

A 2019       

B 2018    

C 4037   

D 4038

A 102      

B 78    

C 84      

D 52