Solving Systems by Substitution
Authored by Matthew Smith
Mathematics
8th - 9th Grade
CCSS covered
Used 24+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the system:
2y+x=-15
x=3y
(2,1)
(0,0)
(-9,-3)
(3,9)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the system:
y=6x
y=5x+7
(7,42)
(7,-42)
(5,7)
No solutions
Tags
CCSS.HSA.REI.C.7
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the system:
y=6x-14
y=-8x
Infinite solutions
(6,-14)
(1,8)
(1,-8)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the system:
y=2x-15
y=5x
(-5,0)
(2,-15)
(-5,-25)
(5,25)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the system:
y=-8x
2x+4y=0
No solutions
(0,0)
All solutions
(2,4)
Tags
CCSS.HSA.REI.C.7
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the system:
6x+7y=20
y=2x
(1,2)
(-1,-2)
(6,7)
(2,0)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the system:
y=2x
3x+3y=-18
(-4,-2)
(4,2)
(-2,-4)
(2,4)
Tags
CCSS.HSA.REI.C.7
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