
Bất phương trình bậc hai
Authored by Thầy Minh
Mathematics
10th Grade
Used 7+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
x < 1
x > 3
1 < x < 3
x < 1 hoặc x > 3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Vô nghiệm
Mọi giá trị x
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Vô nghiệm
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bất phương trình nào dưới đây nghiệm đúng với mọi x
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