Solving by Substitution Factoring
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
Fill in the blank: The substitution method is a way to solve systems of equations by ________________ equations within one another.
graphing
eliminating
substituting
solving
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the first step to using the substitution method for solving a system of equations?
Solve both equations for y.
Solve both equations for x.
Write both equations in standard form.
Solve on equation for x or y.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
T-Rob is solving the system shown. What is the solution?
(-1, 3)
(3, -1)
There is no solution.
There are infinitely many solutions.
Tags
CCSS.8.EE.C.8B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Using substitution, what is the correct next step? I am not interested in the answer.
3x - 7(-2y-21) = 41
3(-2y-21) - 7y = 41
-2(41-3x) - 21
(-5,-8)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Using substitution, what is the correct next step? I am not interested in the answer.
5x - (2x) = 9
5(2x) - y = 9
(3,6)
(6,3)
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
Angel must solve the system shown. Which first step is the best choice?
Solve the equation on the right for y.
Solve the equation on the left for x.
Solve the equation on the left for y.
Solve the equation on the right for x.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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