Substitution by System of Equations
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the first step in solving a system by Substitution?
Make sure both equations are in standard form.
Make sure at least one equation is solved for one variable.
Make sure both equations are in slope-intercept form.
Make sure both equations can be solved.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations by the substitution method
(-6, 30)
(-2, 10)
(44, 39)
No solution
Infinite solutions
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations by substitution y = 4x+1 3x + 2y = 13
(1, 5)
(5, 1)
(0.25, 2)
(2, 0.25)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations by substitution
y=2x
x + y = 9
(6, 3)
(3, 6)
(-3, -6)
no solution
Tags
CCSS.HSA.REI.C.7
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Solve for x and y
2x − 3y = −1
y = x − 1
(-2,-3)
(0,-1)
(3,4)
(4,3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system:
y=4x-1
y=x/2+6
(7, 2)
(1, 3)
(2, 7)
(-2, 5)
(8, 10)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
F
G
H
J
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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