Solve System of Equations Using Elimination and Substitution
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using substitution:
y = -6x + 5
-2x + y = 5
(-3, -6)
(-6, 3)
(0, 5)
(-3, 5)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve with substitution:
y = -2x + 18
y = 8
(5, 8)
(-5, 8)
(2, 8)
(-2, 8)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination
-2x + 6y = 16
-4x - 3y = 2
(2,2)
(-2, -2)
(-2,2)
(2,1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You can solve systems using these methods:
graphing, substitution, and elimination
rearranging, thinking, and guessing
only by graphing
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
7x+y=-9
-3x-y=5
No solution
(1,8)
(-2,-3)
(-1,-2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which method may be fastest if both equations are in standard form with the x's and y's lined up?
graphing
substitution
elimination
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve with substitution
x = -3y - 8
x - 2y = -3
(5, -1)
(-5, 1)
(-5,-1)
(1,-5)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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