Solve by Substituting
9th Grade
•12 Qs
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Solve by Substituting
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
Barbara White
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Find the y-value using substitution.
x + 2y = 2
x = -4y + 2
y = -3
y = 2
y = -2
y = 0
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve using substitution.
y = -6x + 5
-2x + y = 5
(-3, -6)
(-6, 3)
(0, 5)
(-3, 5)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve using substitution.
y = -3x + 11
5x + y = 21
(1, -5)
(1, 5)
(-4, 5)
(5, -4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve using substitution.
x = -3y - 8
x - 2y = -3
(5, -1)
(-5, 1)
(-5,-1)
(1,-5)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve using substitution.
y = -2x + 18
x = 5
(5, 8)
(-5, 8)
(2, 8)
(-2, 8)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Solve the system of equations using substitution:
y = 2x + 5
2x + 2y = 4
(1, 7)
(7, 1)
(2, 9)
(-1, 3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many solutions? (click on the graph to enlarge)
One Solution
No solution
Infinitely Many Solutions
Tags
CCSS.8.EE.C.8B
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