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ОГЭ 9 номер квадратные неравенства

Authored by K undefined

Mathematics

9th Grade

Used 1+ times

ОГЭ 9 номер квадратные неравенства
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10 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

(−∞; −1] ∪ [7; +∞)

[−1; +∞)

[−1; 7]

[7; +∞)

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Укажите решение неравенства (𝑥 + 2)(𝑥 − 8) ≥ 0.

Media Image
Media Image
Media Image
Media Image

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

Media Image

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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