Steps to Solve by Substitution
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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8 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
Infinite number of solutions
(0, 7)
(-5, -7)
(5, 7)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
No Solution
(2, 2)
(-1, 2)
(-1, -2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
DRAG AND DROP QUESTION
1 min • 1 pt
Solve the system of linear equations by substitution.
-5x + 3y = 51
y = 10x - 8
(a) (b)
y = -22
x = -3
x = 59/25
y = 15.6
x = 3
y = 22
x = -8
y = 4
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(3, -6)
(3, -8)
Infinite number of solutions
(3, 6)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(-1, 3)
(0, -3)
(1, 3)
(1, -3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(1, -4)
(1, 4)
(-4, -7)
(-7, -4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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