Solving Systems of Equations Using Substitution
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve this system using substitution
y = 3x - 5
2x + 4y = -6
(1, -2)
(2, -2)
(1, 2)
Why have you done this?
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve with substitution
x = -3y - 8
x - 2y = -3
(5, -1)
(-5, 1)
(-5,-1)
(1,-5)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many solutions does the graph have?
One solution
No solution
Infinite solutions
Tags
CCSS.8.EE.C.8B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve:
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
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to this system?
2x + 3y = 4
y= 5x - 27
(5,-2)
(5, 2)
(2,3)
(3,2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following systems of equations using substitution:
2y + x = -15
x = 3y
(-3,-9)
(-9,-3)
(-3,9)
(9,-3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the final step to solve a system with substitution?
Substitute the values found from the previous step into one of the original equations and solve for the remaining variable
Solve the linear system for both its variables
Solve one equation for one of its variables
Solve one equation for one of its variables
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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