SOLVE SYSTEMS OF EQUATIONS BY ELIMINATION
Authored by Judi Rakowsky
Mathematics
9th Grade
Used 7+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve by elimination:
3x+7y=23
-3x-7y=-17
No solution
ARN
(-3,3)
(3,3)
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve by elimination:
-9x-4y=-20
5x+4y=4
(-4,4)
(4,4)
(4,-4)
(-4,-4)
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve by elimination:
4x+4y=4
3x+4y=10
(7,-6)
(-6,7)
(6,7)
(7,6)
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve by elimination:
9x-4y=7
x-4y=-17
(-1,5)
(-7,5)
(7,5)
(3,5)
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve by elimination
4x-6y= -6
-2x-12y= -12
(0,1)
(1,0)
(1,1)
(2,1)
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve by elimination
2x+9y= -7
6x-3y= 9
(-1, -1)
(2,-1)
(1,1)
(1,-1)
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the system by multiplication:
8x + 4y = 12
y = -2x + 3
(0,3)
(3,0)
No solution(parallel lines)
Infinitely many solutions
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