
phương trình bậc hai

Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
thanh Nguyen
Used 1+ times
FREE Resource
30 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
2.
FILL IN THE BLANK QUESTION
1 min • 2 pts
Chỉ rõ các hệ số a, b, c của phương trình: -3x2 = 0
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Phương trình 4x2-8x+9-m = 0 có nghiệm kép với giá trị của m bằng
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Giải phương trình
ta được nghiệm là:
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phương trình nào sau đây có nghiệm kép?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
a = 2; b = 5; c = 7
a = 2; b = -5; c = 7
a = 2; b = -5; c = -7
a = -2; b = -5; c = 7
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phương trình 9x2-2mx+25=0 có nghiệm kép khi
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