Systems of Equations Elimination
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following system by using elimination:
-2x - 5y = -15
x + 8y = 13
(5, 1)
(1, 5)
(5, -1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using elimination.
4x + 8y = 20
-4x + 2y = -30
(-7,1)
(2,-5)
(-2,5)
(7,-1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system by elimination.
−8x − 10y = 20
−8x − 6y = −4
Infinite number of solutions
(6, 5)
(−6, −5)
(5, −6)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
4x + 4y = 4
3x + 4y =10
(7,-6)
(-6,7)
(6,7)
(7,6)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3x + 7y = 23
-3x - 7y = -17
No solution
Infinite number of solutions
(-3,3)
(3,3)
Tags
CCSS.8.EE.C.8B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination
4x-6y= -6
-2x-12y= -12
(0,1)
(1,0)
(1,1)
(2,1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations by elimination.
-x + y = -13
-8x - 4y = -8
(5, 8)
(5, -8)
(-5, -18)
(-5, 8)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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