Solving Systems by Substitution Easy
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
Used 2+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to this system?
y = 2x + 1
y = 4x - 1
(1,3)
(-1,-3)
(-1,3)
(3,1)
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=8x+1
y=6x+3
(1, 9)
(4, 14)
(0, 1)
(2, 4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
y = 3x + 9
y = -6
( -7 , 6 )
( 1 , -6 )
( 7 , -6 )
( -5 , -6 )
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following systems of equations using substitution:
y = 8
y = -4x + 4
(8, -1)
(-28, 8)
(-1, 8)
(8, -28)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the first step of solving a system of equation by substitution?
guess and check
set the equations equal to each other
Isolate one variable
plug it in your calculator
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve:
y = 8x + 2
y = -x - 7
(1, 10)
(-1, -6)
(2, 7)
(9, 9)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve:
y= 4x + 9
y = 5x + 10
(-1, 5)
(9, 19)
(-1, -1)
(9, 1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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