System of Equations by Substitution
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for x and y. (Show work on your answer document.) 3x + 2y = 16 7x + y = 19
(-2,5)
(-2,-5)
(2,-5)
(2,5)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve: (Show work on your answer document.)
y = 2x - 10
10x - 5y = 15
(7 , -15)
(1, -5)
All real numbers
No solution
Tags
CCSS.8.EE.C.8B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve: (Show work on your answer document.)
y = 2x - 2
-x + 8y = 14
(2, 2)
(6, 12)
(1, 0)
(1, -6)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve: (Show work on your answer document.)
3x + 2y = 16
7x + y = 19
(-2, 5)
(-2, -5)
(2, -5)
(2, 5)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve: (Show work on your answer document.)
y=8x+1
y=6x+3
(1, 9)
(4, 14)
(0, 1)
(2, 4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify the solution for the following.
(0, 3)
(3, -2)
(-2, 3)
(0, -3)
Tags
CCSS.8.EE.C.8B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the first step in the substitution method?
Step 2
find the equation that is solved for the single variable
substitute the expression into the other equation
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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