Solving Substitution
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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19 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system by substitution.
5x + 4y= −14
y = −7x − 15
(-2, -1)
(1, -2)
(-2, 1)
(-1, -2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
y = x - 2
-2x + 3y = -1
(5, -3)
(5, 3)
(-5, -3)
(-5, 3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for x and y
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
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3y - 2x = 0
y = 4x - 1
(0.3, 0.2)
(-0.3, -0.2)
(-0.3, 0.2)
(0.3, -0.2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for x and y (Use Substitution)
y = 2x + 1
y = 4x - 1
(1,3)
(-1,-3)
(-1,3)
(3,1)
(1,1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
DROPDOWN QUESTION
1 min • 1 pt
Solve the system of linear equations by substitution.
5x + 2y = 9
x + y = -3
(a) (b)
y = -22
x = -3
x = 1
y = -4
x = 5
y = -8
x = -8
y = 4
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations using substitution:
-4x + 4y = 8
y = -2x - 10
(-4, -2)
(12, -34)
(4, -18)
(-2, -6)
(-4, 6)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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