
T10-C7-B1-Dau cua tam thuc bac hai

Quiz
•
Mathematics
•
10th Grade
•
Hard
Minh Nguyễn
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
3.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Câu 3. Biểu thức nào sau đây là tam thức bậc hai?
4.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
m > 0
m < 0
m = -2
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Câu 5. Dựa vào đồ thị của hàm số, f(x) luôn nhận giá trị dương khi nào?
-1 < x < 0
x > -2
x < -2
6.
MULTIPLE CHOICE QUESTION
45 sec • 6 pts
f(x) < 0 với 2 < x < 3 và f(x) > 0 với x < 2 hoặc x > 3.
f(x) < 0 với -3 < x < -2 và f(x) > 0 với x < -3 hoặc x > -2.
f(x) > 0 với 2 < x < 3 và f(x) < 0 với x < 2 hoặc x > 3.
f(x) >0 với -3 < x < -2 và f(x) < 0 với x < -3 hoặc x > -2.
7.
MULTIPLE CHOICE QUESTION
45 sec • 7 pts
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