Đề thi thử THPT QG môn Toán năm 2019 - Thầy Chí -...

A \(\int {f\left( x \right)}  = \dfrac{{{{2019}^x}}}{{\ln 2019}} + C.\)

B \(\int {f\left( x \right)}  = \dfrac{{{{2019}^x}}}{{\ln 2020}} + C.\)

C \(\int {f\left( x \right)}  = {2019^x}\ln 2019 + C.\)

D \(\int {f\left( x \right)}  = \dfrac{{{{2019}^x}}}{{2019}} + C.\)

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

B \(y = {x^4} - 2{x^2} - 1\)

C \(y = {x^4} + 2{x^2} - 1\)

D \(y = {x^2} - 1\)

A \(m = n.\)

B \(m < n.\)

C \(m > n.\)

D \(m \ne n.\)

A \({120^0}\)    

B \({30^0}\)        

C \({60^0}\)

D \({150^0}\)

A \(x = 0.\)

B \(y - 1 = 0.\)

C \(y = 0.\)

D \(z = 0.\)

A \(C_n^{k - 1} + C_{n + 1}^k = C_{n + 1}^{k + 1}\)

B \(C_{n - 1}^{k - 1} + C_n^k = C_{n + 1}^k\)

C \(C_n^{k - 1} + C_n^k = C_{n + 1}^{k + 1}\)

D \(C_n^{k - 1} + C_n^k = C_{n + 1}^k\)

A 2

B 1

C 3

D 0

A \(3{x^3}.\)

B \(2{x^3}.\)

C \(6{x^3}.\)      

D \({x^3}.\)

A \(V = \dfrac{{9\pi }}{{10}}.\)  

B \(V = \dfrac{{3\pi }}{{10}}.\)

C \(V = \dfrac{\pi }{{10}}.\)

D \(V = \dfrac{{7\pi }}{{10}}.\)

A \(\dfrac{{\cos 2x}}{4} + C\)

B \( - \dfrac{{{{\sin }^2}x}}{2} + C\)

C \(\dfrac{{{{\sin }^2}x}}{2} + C\)    

D \(\dfrac{{{{\cos }^2}x}}{2} + C\)

A \(\sqrt 2 a.\)

B \(a.\)

C \(\sqrt 3 a.\)

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

A \(\dfrac{{\pi {a^3}\sqrt 3 }}{8}\)

B \(\dfrac{{{a^3}\sqrt 2 }}{{12}}\)

C \(\dfrac{{\pi {a^3}\sqrt 3 }}{{16}}\)

D \(\dfrac{{\pi {a^3}\sqrt 3 }}{{48}}\)

A \(4\).

B \(2\).

C \(\dfrac{1}{2}\).

D \(3\)

A \(\dfrac{{\sqrt 6 }}{2}\)

B \(\dfrac{{\sqrt 5 }}{2}\)

C \(\dfrac{{\sqrt {10} }}{2}\)        

D \(\dfrac{{\sqrt {15} }}{2}\)

A \(290\)

B \(310\)

C \( - 290\)

D \(30\)

A \(\left( {0; - 1} \right);{\rm{ }}\left( {2;1} \right).\)

B \(\left( {0;2} \right).\)

C \(\left( { - 1;0} \right);{\rm{ }}\left( {2;1} \right).\)

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

A \(1\).

B \(2\).           

C \(3\).

D \(4\).

A \(y = {\log _3}x + 1.\)

B \(y = {\log _2}\left( {x + 1} \right).\)

C \(y = {\log _2}x.\)

D \(y = {\log _3}\left( {x + 1} \right).\)

A 2

B 3

C 1

D 0

A \(7\).

B \(5\).

C \(4\).

D \(6\).

A \((T):x + y + 2z + 1 = 0\).

B \((P):x - 2y + z + 1 = 0\).

C

\((Q):x - 2y - z + 1 = 0\).     

D \((R):x + y + z + 1 = 0\).

A \(\left[ {22; + \infty } \right)\)

B \(\left( {\dfrac{7}{4};2} \right] \cup \left[ {22; + \infty } \right)\).

C \(\left[ {\dfrac{7}{4};2} \right] \cup \left[ {22; + \infty } \right)\).

D \(\left( {\dfrac{7}{4}; + \infty } \right)\).

A \(m < 1.\)

B \(m > 1.\)

C \(m \ge 1.\)

D \(m \le 1.\)

A \(\dfrac{a}{2}\)

B \(\dfrac{{a\sqrt 3 }}{4}\)

C \(\dfrac{{a\sqrt 3 }}{2}\)

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

A \(90\,930\,000\).

B \(92\,690\,000\).   

C \(92\,576\,000\).   

D \(80\,486\,000\).

A \(\dfrac{7}{6}.\)

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

C \(\dfrac{5}{6}.\)

D \(\dfrac{5}{4}.\)

A 4

B 6

C 9

D 8

A \(e + 1\)

B \(2\)

C \(e + 2\)

D \(3\)

A \(\left[ {3; + \infty } \right)\)    

B \(\left[ {48; + \infty } \right)\)

C \(\left[ {36; + \infty } \right)\)

D \(\left[ {12; + \infty } \right)\)

A 6

B 12

C \(\dfrac{1}{3}\)

D \(\dfrac{{34}}{3}\)

A \(m = 3\)

B \(m = 1\)

C \(m = 7\)

D \(m = 5\)

A \(a < 0,b > 0,c = 1.\)

B \(a > 0,b < 0,c = 1.\)

C \(a > 0,b > 0,c = 1.\)

D \(a > 0,b > 0,c > 0.\)

A 12

B 10

C \(10\sqrt 2 .\)

D \(\dfrac{{75}}{{12}}.\)

A \(a + b =  - \dfrac{1}{2}.\)

B \(a + b = 2.\)

C \(a + b = 0.\)

D \(a + b = \dfrac{3}{2}.\)

A \(\dfrac{{3\sqrt 5 }}{{10}}\)

B \(\dfrac{{2\sqrt 5 }}{5}\)

C \(\dfrac{{\sqrt 5 }}{5}\)     

D \(\dfrac{{\sqrt {55} }}{{10}}\)

A \(\left( { - 6; - 3} \right) \cup \left( {0;2} \right).\)

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

C \(\left( {0; + \infty } \right).\)

D \(\left( { - 5; - 2} \right) \cup \left( {0;3} \right).\)

A \({P_{\min }} = \dfrac{{3\sqrt 2  - 2}}{2}.\)

B \({P_{\min }} = \sqrt 2  + 1.\)

C  \({P_{\min }} = \dfrac{{5\sqrt 2  - 2}}{2}.\)

D \({P_{\min }} = \dfrac{{2\sqrt 2  + 1}}{2}.\)

A \(e + 1\)

B \({e^{e - 2}}\)

C \(e - 1\)

D \({e^{e + 1}}\)

A \(\dfrac{{12\pi {a^2}}}{7}\)

B \(\dfrac{{4\pi {a^2}}}{7}\)

C \(\dfrac{{3\pi {a^2}}}{7}\)

D  \(\dfrac{{15\pi {a^2}}}{7}\)

A \(3\).

B \(4\).

C \(5\).

D \(6\).

A 4 mặt phẳng

B 6 mặt phẳng

C Không có mặt phẳng thỏa mãn           

D Có vô số mặt phẳng