
TOÁN

Quiz
•
Mathematics
•
9th Grade
•
Hard
Q Kry
Used 1+ times
FREE Resource
23 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Các hệ số của phương trình 3x2 - 2x + 2 = 0
a=3; b=2; c=2
a=3; b= - 2; c=2
a=3; b=2; c=0
a=3; b=2x; c=2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Phương trình vô nghiệm
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trong các phương trình sau, phương trình nào vô nghiệm?
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Phương trình nào sau đây có hai nghiệm phân biệt?
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Phương trình x2 + 4x - 5 = 0 có nghiệm là
x1 = 1; x2 = -5
x1 = 1; x2 = 5
x1 = -1; x2 = -5
x1 = -1; x2 = -5
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