Solving Systems of Equations with Elimination
Authored by Debra Allshouse
Mathematics
8th - 10th Grade
CCSS covered
Used 144+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What can be done to one of the equations below in order to be able to eliminate a variable?
4x + 3y = 22
2x -y = -14
Multiply the top equation by 4
Multiply the top equation by 3
Multiply the bottom equation by 4
Multiply the bottom equation by 3
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What can be done to one of the equations below in order to be able to eliminate a variable?
6x + 4y = 14
-9x - 8y = -25
Multiply the top equation by 6
Multiply the top equation by 2
Multiply the bottom equation by 6
Multiply the bottom equation by 2
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
What can be done to one of the equations below in order to be able to eliminate a variable? Select all options that would work.
-8x + 8 y = 16
4x -2y = 6
Multiply the top equation by 4
Multiply the top equation by 2
Multiply the bottom equation by 4
Multiply the bottom equation by 2
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Solve by elimination:
6x - 16y = -8
2x + 8y = -16
(4, 1)
(-4, 1)
(4, -1)
(-4, -1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve by elimination:
6x - y = 0
-4x - 8y = 0
(0, 0)
(0, 7)
(5, -7)
(0, -7)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve by elimination:
16x + 14y = 7
-8x - 7y = -6
(-8, 8)
(8, 6)
Infinitely Many Solutions
No Solution
Tags
CCSS.8.EE.C.8B
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve by elimination:
10x -14y = -4
-7x + 7y = 0
(1, 1)
(-1, 1)
(1, -1)
(-1, -1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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