экзамен 3 матем

экзамен 3 матем

11th Grade

56 Qs

quiz-placeholder

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PHASOR BRIDGE COURSE-SESSION-4 MATH & CHEM

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экзамен 3 матем

экзамен 3 матем

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Hard

Created by

Ольга Овчинникова

Used 6+ times

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56 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Сумма всех ребер тетраэдра 54 см. Вычислите площадь полной поверхности тетраэдра.

81√3см³

20√3 см³;

81 см²;

11√3 см²;

81√2см²

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ABCDA,B1C1D1 куб. Найдите угол между прямыми АВ и DC1.

30°;

60°;

54°;

45°;

90°;

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найдитеe

lim x -> 4 (x - 4)/(x ^ 2 - 16)

8

1/8

0

-8

-1/8

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Вычислите значение производной функции y=sinx+cosx при x = pi / 4

2корень 2

0

-2корень2

2

-корень 2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найдите производную функции: f(x) = x ^ 2 + 3x - 1

2x-3;

2x + 3x

-2x + 3

2x+3

2x

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Радиус основания цилиндра 2 м, высота 3 м. Найдите диагональ осевого сечения

9

3

25

5

14

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Решите неравенство: х²-5x+4>0.

(-1; 4);

[1:4];

(-∞;1)u(4;∞);

(-∞;-1)u(4; ∞);

[-1; 1).

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