
Решение квадратных неравенств_12.04.2021
Authored by Дарига Кыстыкбаева
Mathematics
8th Grade
Used 2+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Решите квадратное неравенство х2-5х-14≤0
(-∞;-7]∪[2;+∞)
[-7;2]
(-∞;-2]∪[7;+∞)
[-2;7]
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Решите квадратное неравенство 3х2+15х-42>0
(-∞;-7)∪(2;+∞)
(-∞;2)∪(-7;+∞)
(-7;2)
(-2;7)
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
решите квадратное неравенство -2х2+18х-40≥0
[4;5]
[-5;-4]
(-∞;4]∪[5;+∞)
(-∞;-5]∪[-4;+∞)
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Решите квадратное неравенство -х2-5х+14>0
(-2;7)
(-7;2)
(-∞;-2)∪(7;+∞)
(-∞;-7)∪(2;+∞)
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Решите квадратное неравенство 2х2+14х+12>0
(-∞;1)∪(6;+∞)
(1;6)
(-∞;-6)∪(-1;+∞)
(-6;-1)
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Решите квадратное неравенство -2х2+14х-12≤0
(-∞-6]∪[-1;+∞)
[1;6]
[-6;-1]
(-∞;1]∪[6;+∞)
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