Linear Systems Elimination
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When the equations in the linear system shown below are added together, what variable will be eliminated?
The x-variable
The y-variable
Neither variable will be eliminated.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When the equations in the linear system shown below are added together, which equation below will be the result?
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The x-variable
The y-variable
Neither variable will be eliminated.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When the equations in the linear system shown below are added together, which equation below will be the result?
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What would be the first step in finding the solution with elimination?
cross out the 3y and -3y
cross out the 4x and x
change all the signs of the second equation
add 1 and -11
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
what number should you multiply the top equation to eliminate variable x by adding:
5
-1
2
-2
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
To use the elimination method, both equations need to be in...
slope intercept form
standard form
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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