Ôn tập phương trình
Quiz
•
Mathematics
•
8th Grade
•
Medium
Phạm Diệp Anh
Used 60+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trong các phương trình sau phương trình nào là phương trình bậc nhất một ẩn?
x-1=x+2
(x-1)(x-2)=0
ax+b=0
x+10=0
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
x=-2 là nghiệm của phương trình nào?
3x-1=x-5
2x-1=x+3
x=x-2
3x+5 =-x-2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phương trình 8x+9=9+8x có tập nghiệm là:
S={9}
S=R
S= {R}
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho biết 2x-4=0.Tính 3x-4 bằng:
0
2
17
11
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Phương trình (2x-3)(3x+2)=6x(x-5) +44 có tập nghiệm là:
S={2;-3)
S={2;-0,3}
S={2}
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Phương trình 2x+k= x-1 nhận x=2 là nghiệm khi
k=3
k=0
k=-3
k=1
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Phương trình m(x-1) =-1-(m-2)x vô nghiệm nếu :
m=1
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