Solving Systems of Equations by Elimination with Multiplication
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
Used 3+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
-5x + 5y = -5
x - 5y = -7
(3, 2)
(-1, 3)
Infinite solutions
No solutions
Tags
CCSS.8.EE.C.8B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(-2,2)
(2,-2)
(-2,-2)
(-2, 1/2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
-9x-4y=-20
5x+4y=4
(-4,4)
(4,4)
(4,-4)
(-4,-4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following system by using elimination:
3x - 5y = 8
2x + 5y = -3
(1, 5)
(1, -1)
(-1, -1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
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
7.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
Solve the following system by using elimination:
-14x - 10y = -18
7x + 9y = -23
(7, 8)
(8, -7)
(7, -8)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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