Ôn lại chủ đề công thức nghiệm
Authored by Hoàng Huề
Mathematics
9th Grade
Used 8+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
a= 1
b= 3
c= 0
a= 1
b= -3
c= 0
a= -1
b= -3
c= 0
a= -1
b= 0
c=-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x= 3
x=-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
4 ab
4ac
4bc
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Để phương trình bậc hai có nghiệm kép thì:
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nghiệm kép của phương trình bậc hai là :
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
phương trình bậc hai có hai nghiệm phân biệt khi nào?
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
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