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Тест по алгебре для 9 класса

Authored by Мадина Арсамакова

Mathematics

9th Grade

Тест по алгебре для 9 класса
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Решите неравенство: 12х + 7 ≥ 9х - 11.

(-6; +∞)

(-∞; -6]

[-6; +∞)

(-∞; -6)

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Решите неравенство: -2х² + 9х - 7 < 0.

(-∞; 1) ∪ (3,5; +∞)

(1; 3,5)

(-∞; 2) ∪ (7; +∞)

(2; 7)

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Найдите область определения функции y = √(х² - 9)/(х + 1).

(-1; 3]

(-∞; -3] ∪ (-1; 3]

[-3; -1) ∪ (-1; 3]

[-3; -1) ∪ [3; +∞)

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

При каких х имеет смысл выражение: √(96 - 16х) + √(5х - 10).

(-∞; +∞)

[2; 6]

(-∞; 6]

[2; +∞)

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Сколько целых чисел принадлежит решению неравенства |х + 3| < 2?

4

3

2

1

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Решите систему уравнений: 7.

3

2

4

1

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Укажите длину промежутка, который является решением неравенства: -5 ≤ 2х + 11 ≤ 1.

5

6

3

4

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