Solving Systems of Equations by Substitution
Authored by Theresa Schallhorn
Mathematics
7th - 12th Grade
CCSS covered
Used 5+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve the system of equations:
y = x + 24
y = -7x
(*Hint: Set it up so -7x = x + 24)
(-3, 21)
(3, 21)
(2, 21)
(-2, 0)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve the system of equations:
y = -x - 10
y = 4x
(*Hint: Set it up so 4x = -x - 10)
(2,8)
(-1,-8)
(-2,-8)
(0,8)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve the system by substitution.
−x + 5y = 12
y = −2x − 2
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Buzz graphed two lines in order to find the solution to a given system of equations.
What is the solution?
Tags
CCSS.8.EE.C.8B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution?
Tags
CCSS.8.EE.C.8A
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve the system of equations:
2x + 3y = -5
x = y + 5
(-4, 1)
(2, -3)
(6, 1)
(8, 3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve the system of equations:
y = 2x
x + y = 9
(6, 3)
(3, 6)
(-3, -6)
no solution
Tags
CCSS.HSA.REI.C.7
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