Elimination Opposite Coefficients
Authored by Barbara White
Mathematics
9th - 12th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What variable will be eliminated?
4x+9y=28
-4x-y=-28
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What variable will you be eliminating?
10x + 9y= 36
-4x - 9y= 10
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What variable do you eliminate?
5x+7y=23
-5x-7y=-17
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the value of x?
2x-4y=20
9x+4y=2
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is your value of x?
7x+y=9
3x-y=21
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What do you have to do before you can solve this system by elimination?
4x + 4y = 4
3x + 4y = 10
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What variable do you eliminate?
-x + 2y = 17
2x - 2y = -10
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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