Toán 8 - KT hệ số 1 - Bất phương trình
Quiz
•
Mathematics
•
8th Grade
•
Hard
việt vũ
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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Phương trình bậc nhất một ẩn có dạng:
ax + b = 0 (a ≠ 0)
ax + b = 0
ax + by = 0
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phương trình nào dưới đây không phải phương trình bậc nhất một ẩn?
(x - 1) (x + 3) = 0
15 - x = 3x + 6
x = 3x - 5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nghiệm của phương trình 2x - 1 = 7 là:
x = 0
x = 3
x = 4
x = -4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phương trình x - 12 = 6 - x có nghiệm là:
x = 9
x = 8
x = -9
x = -8
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phương trình 3x - 3 = 12 + 3x có bao nhiêu nghiệm?
0
1
2
vô nghiệm
vô số nghiệm
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phương trình (4 + 2x)(x - 1) = 0 có nghiệm là:
x = 1; x = -2
x = =2; x = 1
x = -1; x = 2
x = 1; x = 3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phương trình (x - 1)(x - 2)(x - 3) = 0 có số nghiệm là:
1
2
3
4
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