Systems of Equations by Substitution Isolated Variable
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
Solve the system by substitution
3x - y = 4
x + 2y = 6
(-2, 2)
(2, -2)
(2, 2)
(-2, -2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The solution (x, y) to a system of equations is the point where they...?
Run off the graph
Don't touch
Intersect
Exist
Tags
CCSS.8.EE.C.8B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to this system?
(-2, -2)
(2, -2)
(-2,2)
(2, 2)
Tags
CCSS.8.EE.C.8B
4.
DROPDOWN QUESTION
1 min • 1 pt
Solve the system of linear equations by substitution.
5x + 6y = 50
x - 6y = -26
(a) (b)
x = 6
x = -3
y = 20/6
y = -4
x = 4
y = 5
x = -8
y = 4
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following system by substitution. What is the solution?
(1, -2)
(-2, 1)
(-4, 1)
(2, 1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to this system? Solve by substitution.
y= 4x + 3
2x - 3y = 21
(3,-9)
(-3,-9)
(-3,9)
(0,1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
DROPDOWN QUESTION
1 min • 1 pt
Solve the system of linear equations by substitution.
x + y = 2
2x + 7y = 9
(a) (b)
x = 6
x = -3
y = 2
y = 5/9
x = 1
y = 1
x = -8
y = 4
x = -2
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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