Câu hỏi trắc nghiệm Toán lớp 8

Quiz
•
Mathematics
•
8th Grade
•
Hard
Quỳnh Mai Nông
FREE Resource
21 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình nào sau đây là phương trình bậc nhất một ẩn?
x2+3=0
2x+5=0
x2+x+1=0
3x2=6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình 5x−2=0 có nghiệm là:
x=−2/5
x=5/2
x=2
x=−2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình có hệ số a = 3 và hằng số b = -6 là:
3x+6=0
3x−6=0
6x+3=0
x−6=3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong phương trình ax+b=0, điều kiện để phương trình có nghiệm duy nhất là:
a=0
a≠0
b=0
a=b
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nghiệm của phương trình x−7=0 là:
x=0
x=7
x=−7
x=14
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải phương trình 2x+3=7
x=5
x=2
x=−2
x=3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải phương trình 4x−5=3x+2
x=7
x=−7
x=1
x=−1
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