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МЕТОД ИНТЕРВАЛОВ

Authored by Лана Лашкевич

Mathematics

9th Grade

Used 3+ times

МЕТОД ИНТЕРВАЛОВ
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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

решить неравенство: (х-1)(х-2)>0

(1;2)

[1;2]

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

(1;2)

[1;2]

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Решение какого неравенства изображено на рисунке?

Media Image
Media Image
Media Image
Media Image

Answer explanation

Media Image

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Решите неравенство:

[0;5]

(-∞;0)u(5;+∞)

(-∞;0]u[5;+∞)

(0;5)

Answer explanation

Media Image

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Решите неравенство:

[0;4]

(-∞;0)u(4;+∞)

(0;4)

(-∞;0]u[4;+∞)

Answer explanation

Media Image

6.

FILL IN THE BLANK QUESTION

45 sec • 1 pt

Media Image

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

(-∞;-3)u(0;+∞)

[-3;0]

(-3;0)

(-∞;-3]u[0;+∞)

Answer explanation

Вынесем (х) за скобки и получим уравнение вида: х(х+3)>0

Под это условие подходит промежуток под №1

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