
МЕТОД ИНТЕРВАЛОВ
Authored by Лана Лашкевич
Mathematics
9th Grade
Used 3+ times

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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
Решение какого неравенства изображено на рисунке?
Answer explanation
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Решите неравенство:
[0;5]
(-∞;0)u(5;+∞)
(-∞;0]u[5;+∞)
(0;5)
Answer explanation
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Решите неравенство:
[0;4]
(-∞;0)u(4;+∞)
(0;4)
(-∞;0]u[4;+∞)
Answer explanation
6.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
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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