Systems Through Substitutions
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system by substitution.
5x + 4y= −14
y = −7x − 15
(-2, -1)
(1, -2)
(-2, 1)
(-1, -2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
y = x - 2
-2x + 3y = -1
(5, -3)
(5, 3)
(-5, -3)
(-5, 3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3y - 2x = 0
y = 4x - 1
(0.3, 0.2)
(-0.3, -0.2)
(-0.3, 0.2)
(0.3, -0.2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
y = 5x + 1
y = 3x + 13
(6, 31)
(31, 6)
(4, 21)
(2, 11)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to the system of equations?
y = 3x - 8
y = 4 - x
(3,1)
(1,3)
(-3,1)
(3,-1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Homer sells tickets for admission to your school play and collects a total of $104. Admission prices are $6 for adults and $4 for children. He sold 21 tickets total. Solve the system:
x + y = 21
6x + 4y = 104
(10, 11)
(12, 9)
(11, 10)
(9, 12)
Tags
CCSS.8.EE.C.8C
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system by using the substitution method
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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