Elimination Method to Solve Systems of Equations
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system by elimination.
−4x − 4y = 0
4x + 4y = 0
(−6, −4)
Infinite number of solutions
(−6, 10)
(6, 4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3x - 3y = 33
6x - 3y = 57
(8,-3)
(-3,8)
(10,1)
(10,-1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination
-12x-4y= -8
-6x-2y= -4
no solution
(0,0)
infinite solutions
(4,0)
Tags
CCSS.8.EE.C.8B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
7x-9y=29
7x+2y=-15
(-4,-1)
(-1.-4)
(-1,4)
(-1,6)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Solve using Elimination Method:
x - y = 11
2x + y = 19
(10,-1)
(-1,10)
(3,-4)
(6,7)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using Elimination Method:
x - y = 12
4x + y = 33
(-9,-3)
(3,-9)
(9,-3)
(-3,9)
Answer explanation
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
FILL IN THE BLANK QUESTION
1 min • 5 pts
Solve the system with linear combinations method (Elimination method).
x + 4y = -4
3x + 5y = 2
Type in answer with no spaces between terms. Ex: (-2,1)
If no soultion type in NS
If infinitely many solutions type in IMS
Answer explanation
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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