Solving via Substitution
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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18 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system by substitution.
y = 2x − 11
2x − 8y = 4
(6, 1)
(6, −4)
(6, −1)
Infinite number of solutions
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the proper way to set up the equation to begin solving via substitution?
-2(-11) -3y= -7
-2(6x-11) -3y = -7
-2x - 3(11) = -7
-2x - 3(6x-11)= -7
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by substitution
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
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system by substitution.
-2x - 2y = 16
y = -8
(0, -8)
(-8, 0)
(-16, -8)
(-16, -8)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
( 1 , 0 )
( 0 , 1 )
( -1 , 0 )
( 0, - 1 )
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve this system by substitution.
(1, -4)
(1, 4)
(-4, -7)
(-7, -4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using Substitution:
6x + 2y = -20
y = -2x - 4
(-5, -14)
(1, 6)
(-6, 8)
(2, -8)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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