
Тест по алгебре для 9 класса

Quiz
•
Mathematics
•
9th Grade
•
Hard
Мадина Арсамакова
FREE Resource
10 questions
Show all answers
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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