8G Lesson z11 - Solving a System of Equations by Substitution
Authored by Valerie Hopkins
Mathematics
8th Grade
CCSS covered
Used 4+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the System of Equations by Substitution: 4x + 6y = 16 and x = -2
(-2, 1)
(-2, 4)
(-2, 2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the System of Equations by Substitution: y = -4x - 3 and y = -2x + 1
(2, -11)
(-2, 5)
(2, -3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the System of Equations by Substitution: x + 4y = 13 and -2x - 4y = -18
(2, 3)
(5, 2)
(1, 3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the System of Equations by Substitution: -9x + y = -8 and -3x - y = -4
(2, 10)
(-8, -4)
(1, 1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Solve the system of equations using substitution:
y = 7x + 9
2y + 2x = -18
(6.75, 2.25)
(2.25, 6.75)
(-2.25, -6.75)
(-2.25, 6.75)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
y = 3x
2x + y = 20
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
y = 5x
3x - y = 10
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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