Elimination Method Using Addition and Subtraction
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
Used 2+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which is the best method for solving this system of equations?
-4x-2y=-12
4x+8y=-24
Substitution
Elimination
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is the solution to the systems
x+y=5
x-y=3
(8,3)
(5,2)
(6,-1)
(4,1)
No solutions
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When using the elimination method, the terms have to be lined up vertically.
True
False
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for x and y:
4x + 2y = 22
4x - 2y = 18
x = 2, y = 6
x = 4, y = 3
x = 5, y = 1
x and y can be anything
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What do you get when you add the follow equations together
-4x + 5y = -25
4x - 7y = 19
-2y = -6
2y = 6
8y = -6
3y = -6
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system using Elimination.
-4x - 5y = 10
8x + 6y = 4
(6, 5)
Infinitely Many Solutions
(-6, -5)
(5, -6)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to the following linear equation? Use elimination
x+y=4
2x-3y=18
(6,2)
(-6,2)
(6,-2)
(-6,-2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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