Ôn tập chương III Đại số 9
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
Hương Trần
Used 40+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình nào sau đây là phương trình bậc nhất 2 ẩn?
xy+x=3
2x-y=0
x+3=0
Tags
CCSS.8.EE.C.8C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đường thẳng biểu diễn tập nghiệm của phương trình
-x+y=5 là:
y=x-5
x=y-5
y=x+5
x=y+5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cặp số (1; -2) là nghiệm của phương trình nào?
3x+0y=3
x-2y=7
0x+2y=4
x-y=0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cặp số nào sau đây là nghiệm của phương trình 3x-4y=12
(0 ; -3)
(-4 ; 0)
(-1 ; )
(0 ; 3)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Với giá trị nào của k thì phương trình
x- ky= -1 nhận cặp số (1; 2) làm nghiệm?
2
-1
1
0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình nào sau đây có thể kết hợp với phương trình 3x -4y=5 để tạo thành một hệ phương trình bậc nhất 2 ẩn?
0x+0y=3
3x-5t=1
x+4y=7
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nếu phương trình mx+3y=5 có nghiệm (1 ;-1) thì m bằng?
2
-2
-8
8
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