Cho tam thức bậc hai . Với giá trị nào của x thì f(x) > 0.
Unknown method two

Quiz
•
Mathematics
•
10th Grade
•
Hard
My Dung
Used 97+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tập nghiệm của bất phương trình là
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Có bao nhiêu giá trị nguyên của m để luôn dương với mọi ?
2
3
4
1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hàm số có tập xác định là
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Biết tập nghiệm của bất phương trình có dạng . Khi đó bằng
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Với giá trị nào của m thì phương trình vô nghiệm?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trong các tam thức sau, tam thức nào không đổi dấu trên R?
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