Intro to Elimination
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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17 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following system of equations using the elimination method:
3x - 2y = 8
5x + 4y = 6
x = -2
y = -6
x = 5
y = 4
x = 2
y = -1
x = 3
y = -2
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following system of equations using the elimination method:
2x + 5y = 9
3x - 5y = 1
x = -8
y = -5
x = -8
y = 5
x = 2
y = 1
x = 1
y = 2
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following system of equations using the elimination method:
4x - 3y = 5
2x + 3y = 1
x = 1
y = 1/3
x = -1
y = -1/3
x = 1
y = -1/3
x = 0
y = 0
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following system of equations using the elimination method:
3x + 2y = 9
3x - 3y = 4
x = 11/3
y = 1
x = 7/3
y = 1
no solution
x = 35/3
y = -13
Tags
CCSS.8.EE.C.8B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following system of equations:
3x - 4y = 12
6x - 8y = 16
x = 13/2
y = -15/8
x = 5/2
y = -9/8
x = 8
y = 3
No Solution
Tags
CCSS.8.EE.C.8B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
4x + 9y = 28
-4x - y = -28
(-7,0)
(6,0)
(-6,0)
(7,0)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What variable do you eliminate?
4x + 8y = 20
−4x + 2y = −30
X because they have opposite signs
Y because they have opposite signs
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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