

Phương trình bậc nhất
Interactive Video
•
Mathematics
•
9th Grade
•
Hard
Thoa Nguyễn
FREE Resource
3 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho phương trình bậc hai . Kết luận gì về nghiệm của phương trình?
A. Phương trình có hai nghiệm phân biệt.
B. Phương trình có ba
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số giao điểm của Parabol y = 5x 2 và y= 4-2x
A. 0
B. 1
C.5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình bậc hai có nghiệm với khi ?
A. Có 2 nghiệm phân biệt
B. Có 3 nghiệm
C. Có vô số nghiệm
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