Solving by Substitution
Authored by Faith Graham
Mathematics
7th - 9th Grade
CCSS covered
Used 54+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does Substitution mean?
To submerge in water
The action of replacing
To add a bunch of numbers together
To stand up for the Constitution
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which choice shows substitution correctly?
y = 2x + 3
3x + 2y = 20
3x + (2x + 3) = 20
3x + 2y(2x + 3) = 20
3x + 2 (2x + 3) = 20
y + 2x + 3 = 20
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
y = 2x + 5
-4x + y = 9
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the solution to the system?
8x + 4y = 12
y = -2x + 3
Tags
CCSS.8.EE.C.8B
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the solution to this system?
y = x + 5
4x + y = 20
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the system of equations.
y = 4x + 1
3x + 2y = 13
(1, 5)
(5, 1)
(0.25, 2)
∅
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the system of equations using substitution:
3x - y = -8
x = -2
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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