Đề thi THPT Quốc Gia năm 2019 môn Toán THPT thành phố Vinh lần 1

A. \(2 + 5\ln a + 7\ln b\)

B. \(7\ln a + 5\ln b\)

C. \(2 + 7\ln a + 5\ln b\)

D. \(5\ln a + 7\ln b\)

A. \(8\pi {a^2}\)

B. \(7\pi {a^2}\)

C. \(4\pi {a^2}\)

D. \(5\pi {a^2}\)

A. \(V = 9{a^3}\sqrt 2 \)

B. \(V = {a^2}\sqrt 2 \)

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

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

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

B. \(y =  - 5{x^3} + 3{x^2} - 3x + 4\)

C. \(y =  - {x^3} + 3x + 1\)

D. \(y = {x^3} + {x^2} + 5x - 1\)

A. \(8a\sqrt 2 \)

B. \(2a\sqrt 2 \)

C. \(4a\sqrt 2 \)

D. \(a\sqrt 2 \)

A. \(\int f (x){\mkern 1mu} {\rm{d}}x = 3{x^2} + \cos x + C\)

B. \(\int f (x){\mkern 1mu} {\rm{d}}x = \frac{{3{x^2}}}{2} - \cos x + C\)

C. \(\int f (x){\mkern 1mu} {\rm{d}}x = \frac{{3{x^2}}}{2} + \cos x + C\)

D. \(\int f (x){\mkern 1mu} {\rm{d}}x = 3 + \cos x + C\)

A. \(y =  - {x^4} + {x^2} - 1\)

B. \(y =  - {x^3} + x - 1\)

C. \(y =  - {x^3} + 3x - 1\)

D. \(y = {x^3} - 3x + 5\)

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

B. \(\frac{1}{3}\)

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

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

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

B. \(M\left( {2\,;\,2\,;\,4} \right)\)

C. \(M\left( {2\,;\, - 4\,;\,0} \right)\)

D. \(M\left( {4\,;\, - 8\,;\,0} \right)\)

A. \(\frac{a}{2}\)

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

C. \(2a\)

D. \(\frac{1}{2a}\)

A. \(216\pi \;\left( {{\rm{c}}{{\rm{m}}^{\rm{3}}}} \right)\)

B. \(288\pi \;\left( {{\rm{c}}{{\rm{m}}^{\rm{3}}}} \right)\)

C. \(432\pi \;\left( {{\rm{c}}{{\rm{m}}^{\rm{3}}}} \right)\)

D. \(864\pi \;\left( {{\rm{c}}{{\rm{m}}^{\rm{3}}}} \right)\)

A. \(6a\)

B. \(a\sqrt 5 \)

C. \(a\sqrt {37} \)

D. \(a\sqrt {7} \)

A. 2

B. 1

C. 0

D. - 2

A. \({2.3^{2020}}\)

B. \({2.2^{2020}}\)

C. \({2.3^{2018}}\)

D. \({2.2^{2018}}\)

A. 4

B. 2

C. 3

D. 1

A. \(( - \infty \,;\,0] \cup [4\,;\, + \infty )\)

B. \(( - \infty \,;\,0) \cup (4\,;\, + \infty )\)

C. \(\left( {0\,;\,4} \right)\)

D. \(R\backslash \left\{ {0;4} \right\}\)

A. \(F\left( {\frac{\pi }{9}} \right) = \frac{{\sqrt 3  + 2}}{6}\)

B. \(F\left( {\frac{\pi }{9}} \right) = \frac{{\sqrt 3  - 2}}{6}\)

C. \(F\left( {\frac{\pi }{9}} \right) = \frac{{\sqrt 3  + 6}}{6}\)

D. \(F\left( {\frac{\pi }{9}} \right) = \frac{{\sqrt 3  - 6}}{6}\)

A. \(y' = x{.2020^{x - 1}}\)

B. \(y' = {2020^x}.\log 2020\)

C. \(y' = {2020^x}\ln 2020\)

D. \(y' = \frac{{{{2020}^x}}}{{\ln 2020}}\)

A. \(4\sqrt 5 {a^3}\)

B. \(4\sqrt 3 {a^3}\)

C. \(\frac{{4\sqrt 5 {a^3}}}{3}\)

D. \(\frac{{4\sqrt 3 {a^3}}}{3}\)

A. 4

B. 3

C. 2

D. 1

A. Vô số 

B. 4

C. 2

D. 3

A. 3

B. 1

C. 2

D. 0

A. \(\frac{1}{{15}}\)

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

C. \(\frac{1}{{16}}\)

D. \(\frac{1}{{9}}\)

A. \(x=1\)

B. \(x=-1\)

C. \(x=5\)

D. \(x=2\)

A. \(\left( { - 0,5\,;\,\,0,3} \right)\)

B. \(\left( { - 2\,;2} \right)\)

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

D. \(\left( {0\,;\,2} \right)\)

A. \(\left( {\frac{7}{3}\,; - \,\frac{5}{3}\,;\,\frac{8}{3}} \right)\)

B. \(\left( {4\,;5\,;\, - 9} \right)\)

C. \(\left( {\frac{3}{2}\,; - \,5\,;\,\frac{{17}}{2}} \right)\)

D. \(\left( {1\,; - 7\,;\,12} \right)\)

A. \(V = \pi {R^2}h\)

B. \(V = \frac{4}{3}\pi {R^2}h\)

C. \(V = \frac{1}{3}\pi {R^2}h\)

D. \(V= \frac{1}{3}\pi {R^3}h\)

A. - 3

B. 3

C. 0

D. 9

A. 1

B. 3

C. 2

D. 0

A. \(V = 162\pi \)

B. \(V = 27\pi \)

C. \(V = 18\pi \)

D. \(V = 54\pi \)

A. \(\frac{1}{3}\)

B. \(2\)

C. \(\frac{13}{6}\)

D. \(\frac{7}{6}\)

A. \(\frac{9}{4}\)

B. \(9\)

C. \(\frac{9}{2}\)

D. \(\frac{9}{8}\)

A. \(\frac{{12a}}{7}\)

B. \(\frac{{7a}}{12}\)

C. \(\frac{{a\sqrt {30} }}{5}\)

D. \(\frac{{a\sqrt {84} }}{7}\)

A. \(\frac{{36}}{{91}}\)

B. \(\frac{{37}}{{91}}\)

C. \(\frac{{54}}{{91}}\)

D. \(\frac{{55}}{{91}}\)

A. \(\frac{{4{a^2}\sqrt 2 }}{3}\)

B. \(\frac{{4{a^2}\sqrt 2 }}{9}\)

C. \(\frac{{2{a^2}\sqrt 2 }}{3}\)

D. \(\frac{{2{a^2}\sqrt 2 }}{9}\)

A. \(\frac{{5a\sqrt 2 }}{4}\)

B. \(\frac{{5a}}{4}\)

C. \(\frac{{5a}}{2}\)

D. \(\frac{{5a\sqrt 2 }}{2}\)

A. \(n=2021\)

B. \(n=2019\)

C. \(n=2020\)

D. \(n=2018\)

A. 5

B. 4

C. 7

D. 6

A. \(T=17\)

B. \(T=19\)

C. \(T=18\)

D. \(T=23\)

A. \([1\,;\, + \infty )\)

B. \(\left( {1\,;\,5} \right]\)

C. \(\left( {1\,;\,5} \right)\)

D. \((1\,;\, + \infty )\)

A. \(140\,{\rm{c}}{{\rm{m}}^3}\)

B. \(120\,{\rm{c}}{{\rm{m}}^3}\)

C. \(30\,{\rm{c}}{{\rm{m}}^3}\)

D. \(50\,{\rm{c}}{{\rm{m}}^3}\)

A. \(\int {f\left( {3x} \right)\,{\rm{d}}x = 3x\cos \left( {6x - 5} \right) + C} \)

B. \(\int {f\left( {3x} \right)\,{\rm{d}}x = 9x\cos \left( {6x - 5} \right) + C} \)

C. \(\int {f\left( {3x} \right)\,{\rm{d}}x = 9x\cos \left( {2x - 5} \right) + C} \)

D. \(\int {f\left( {3x} \right)\,{\rm{d}}x = 3x\cos \left( {2x - 5} \right) + C} \)

A. 5

B. -1

C. 2

D. 1

A. 13

B. 21

C. 28

D. 11

A. 1.468.000 đồng 

B. 1.398.000 đồng 

C. 1.191.000 đồng 

D. 1.027.000 đồng 

A. \(72\sqrt {18} \pi {a^3}\)

B. \(18\sqrt {18} \pi {a^3}\)

C. \(6\sqrt {18} \pi {a^3}\)

D. \(24\sqrt {18} \pi {a^3}\)

A. \(\left( { - \infty \,;\, - \frac{3}{2}} \right)\)

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

C. \(\left( {\frac{3}{2}\,;\, + \infty } \right)\)

D. \(\left( { - \frac{3}{2}\,;\, + \infty } \right)\)

A. - 12

B. - 13

C. - 14

D. - 11

A. 2

B. 3

C. 1

D. Vô số 

A. 2

B. 1

C. 3

D. 4