SOLVING SIMULTANEOUS EQUATIONS BY ELIMINATION
Authored by Claudia Emiliani
Mathematics
8th Grade
CCSS covered
Used 145+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4x + 8y = 20
-4x + 2y = -30
Which variable will be eliminated?
Tags
CCSS.HSA.REI.C.6
CCSS.8.EE.C.8B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
4x+9y=28
-4x-2y=-28
(-7,0)
(6,0)
(-6,0)
(7,0)
Tags
CCSS.HSA.REI.C.6
CCSS.HSA.REI.C.5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
3x + 7y = 23
-3x - 4y = -17
No solution
ARN
(-3,3)
(3,2)
Tags
CCSS.HSA.REI.C.6
CCSS.HSA.REI.C.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
4x+4y=4
3x+4y=10
Tags
CCSS.HSA.REI.C.6
CCSS.8.EE.C.8B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
-x+2y=17
2x+2y=-10
Tags
CCSS.HSA.REI.C.6
CCSS.8.EE.C.8B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
7x-9y=29
7x+2y=-15
(-4,-1)
(-1,-4)
(-1,4)
(-1,6)
Tags
CCSS.HSA.REI.C.6
CCSS.8.EE.C.8B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
7x + y = -9
-3x - y = 5
No solution
(1,8)
(-2,-3)
(-1,-2)
Tags
CCSS.HSA.REI.C.6
CCSS.HSA.REI.C.5
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