May 1st Solving by Elimination Quiz
Authored by Michael Robinson
Mathematics
7th - 9th Grade
CCSS covered
Used 12+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What variable would I eliminate in Step 1 of Solving by Elimination from the system below?
-4x - 2y = -12
4x + 8y = -24
The X Variable
The Y Variable
The Numbers after the Equals sign
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What would I Scale my bottom equation by in order to be able to eliminate the x variable in the system below?
4x + 8y = 20
-2x + y = -15
0
1
2
3
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What variable would I eliminate in the following problem in order to solve the problem?
x- y = 11
2x + y = 19
The X Variable
The Y Variable
The Numbers after the Equal sign
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What would I scale the bottom equation by in order to eliminate the X Variable in the system below?
-6x + 5y = 1
3x + 2y = -5
0
1
2
3
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What would my equation look like after I eliminated the variable in the system below?
4x + 8y = 20
-4x + 2y = -30
3x = 10
6y = -10
10y = -10
8x = 50
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What would my equation look like after I eliminated my variable in step 1 for the system below?
x - y = 11
2x + y = 10
2y = 21
3x = 21
2y = 1
3x = 1
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What would my equation look like after I eliminate the X Variable in Step 1 for the system below?
5x + y = 9
10x - 7y = -18
-9y = -36
9y = 36
-9y = 36
9y = --36
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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