
экзамен 3 матем

Quiz
•
Mathematics
•
11th Grade
•
Hard
Ольга Овчинникова
Used 6+ times
FREE Resource
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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