On program III đại số 8
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Lê Nguyễn
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các phương trình sau, phương trình bậc nhất 1 ẩn là:
x + y = 0
ax + b = 0
Tags
CCSS.8.EE.C.7A
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giá trị x = - 4 là nghiệm của phương trình:
-2,5x + 1 = 11
-2,5x = -10
3x – 8 = 0
3x – 1 = x + 7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tập nghiệm của phương trình (x +1 )(x – 2 ) = 0 là
A. S ={1; -2}
B. S = {1; 2}
C. S = {-1; 2}
D. S = {-1; -2}
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các phương trình sau, phương trình nào tương đương với phương trình 2x + 4 = 0 ?
4x – 8 = 0
2x = 4
x2 – 4 = 0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm điều kiện xác định của phương trình:
Tags
CCSS.HSA.REI.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Với giá trị nào của m thì phương trình m(x – 3) = 6 có nghiệm x = 5 ?
m = 2
m = – 2
m = 3
m = – 3
Tags
CCSS.6.EE.B.5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nghiệm của phương trình là
-1
1
-2
2
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