
Арифметический квадратный корень
Quiz
•
Mathematics
•
8th Grade
•
Hard
Ellerond undefined
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Что такое арифметический квадратный корень из числа a?
Любое число, квадрат которого равен a
Неотрицательное число, квадрат которого равен a
Отрицательное число, квадрат которого равен a
Любое число, возведенное в квадрат, дает a
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Какое число является значением выражения √64?
4
8
16
32
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Упростите выражение √36a² (при a ≥ 0)
6a
6a²
18a
36a
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Какое из утверждений верно?
а) √a² = a при любом a
√a² не существует
в) √a² = -a
б) √a² = |a|
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Решите уравнение √x - 3 = 0
x = -9
x = 9
x = 3
уравнение не имеет корней
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите значение выражения √0,09
0,03
9
0,3
3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Упростите выражение √12
2√3
3√2
4√3
6√2
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