Укажите решение неравенства (𝑥 + 1)(𝑥 − 7) ≥ 0

ОГЭ 9 номер квадратные неравенства

Quiz
•
Mathematics
•
9th Grade
•
Hard
K undefined
Used 1+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
(−∞; −1] ∪ [7; +∞)
[−1; +∞)
[−1; 7]
[7; +∞)
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Укажите решение неравенства (𝑥 + 2)(𝑥 − 8) ≥ 0.
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Укажите решение неравенства 3𝑥 − 𝑥² > 0
(3; +∞)
(−∞; 0) ∪ (3; +∞)
(0; +∞)
(0; 3)
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Укажите решение неравенства 𝑥² − 36 ≤ 0
(−∞; +∞)
(−∞; −6] ∪ [6; +∞)
[−6; 6]
Нет решений
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Укажите неравенство, которое не имеет решений
𝑥² + 64 < 0
𝑥² + 64 > 0
𝑥² − 64 > 0
𝑥² − 64 < 0
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Укажите неравенство, решение которого изображено на рисунке
𝑥² + 16 ≥ 0
𝑥² − 16 ≤ 0
𝑥² + 16 ≤ 0
𝑥² − 16 ≥ 0
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Укажите неравенство, которое не имеет решений
𝑥² − 2𝑥 − 65 < 0
𝑥² − 2𝑥 − 65 > 0
𝑥² − 2𝑥 + 65 < 0
𝑥² − 2𝑥 + 65 > 0
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