Substitution Equations
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using substitution.
x + 2y = -3
x - y = -12
What is the sum of x and y?
-6
-2
18
15
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using substitution.
2x - 2y = 2
y = -5x + 14
What is the sum of x and y?
9
4
6.5
3.25
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
x + y + z = 4
x = -2y
z = -3y
Solve the system of equations using substitution.
x = 2
y = -1
z = 3
x= -5
y = 3
z = 1
x = 10
y = -2
z = 0
x= 4
y = 1
z = -1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to this system?
x= 7 - 2y
2x + y = 5
(-1,4)
(4,-1)
(1,3)
(3,1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to this system?
y = x + 5
4x + y = 20
(3,8)
(8,3)
(0,2)
(2,0)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to this system?
y = 2x + 1
y = 4x - 1
(1,3)
(-1,-3)
(-1,3)
(3,1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to this system?
y = x
3x - 2y = 3
(1,1)
(3,3)
(-2,0)
(0,-2)
Tags
CCSS.HSA.REI.C.7
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