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9 класс Untitled Quiz

Authored by Belka Korol

Mathematics

9th - 12th Grade

Used 1+ times

9 класс Untitled Quiz
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11 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Решите уравнение: 3(x – 4) = 2x + 5

20
15
12
17

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найдите корни уравнения: x² – 5x + 6 = 0

x₁ = 5, x₂ = 0
x₁ = 4, x₂ = 1
x₁ = 6, x₂ = -1
x₁ = 3, x₂ = 2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Решите неравенство: x² – 4x < 0

(0, 4)
(4, ∞)
(-∞, 0)
(0, 2)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Решите уравнение с модулем: |3x – 7| = 5

x = 3
x = 1
x = 5
x = 4, x = 2/3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найдите периметр прямоугольного треугольника с катетами 3 см и 4 см

12 см
8 см
14 см
10 см

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Найдите площадь круга с радиусом 7 см (ответ оставьте в виде выражения через π)

36π см²
42π см²
49π см²
56π см²

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Упростите выражение: (4x² – 9)/(2x – 3)

2x - 3
x + 3
4x - 9
2x + 3

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