Substitution method
Authored by Maggie Block
Mathematics
8th Grade
CCSS covered
Used 386+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The first step in solving using the substitution method is __________.
get x by itself
get y by itself
get either variable by itself in one equation
add the equations together
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
y = -6
-3x - 6y = 24
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the solution to the system of equations?
y = 3x - 8
y = 4 - x
(3, 1)
(1, 3)
(-3, 1)
(3, -1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Solve:
x = -3y - 17
2x + 3y = -7
Tags
CCSS.HSA.REI.C.9
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Solve the system of equations using substitution:
-4x + 4y = 8
y = -2x - 10
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Solve using Elimination method.
-3x - 9y = 15
x +3y = - 5
Infinitely Many Solutions
No Solution
(0,0)
(15,0)
(3,9)
Tags
CCSS.8.EE.C.8B
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Solve the system:
x + 6y = 17
x - 3y = 8
Tags
CCSS.8.EE.C.8B
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