Solving Systems by Substitution
Authored by Kara McWilliams
Mathematics
7th - 9th Grade
CCSS covered
Used 79+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6x + y = -1
y = -3x - 4
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
y = 2x + 1
3x + y = 16
(2, 5)
(2, 7)
(3, 5)
(3, 7)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve the system using substitution
y = -4x + 1
y = -2x - 7
(4, -15)
(3, -11)
(-2, 9)
(1, -3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve the system
9x - 5y = 12
y = 3x
(-2, -6)
(-2, 10)
(6, 18)
(-1, -3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
x = y - 3
2x - 2y = 4
Tags
CCSS.8.EE.C.8B
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
x - 5y = 5
3x + y = 31
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
45 sec • 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
Tags
CCSS.8.EE.C.8C
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