Systems of Equations by Substitution
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
x = -3y - 17
2x + 3y = -7
(1, -20)
(10, 0)
(-5, -2)
(10 , -9)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3x + 2y = 8
-x + y = -11
(-5,6)
(6,-11)
(-6,-5)
(6,-5)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to the system of equations?
(3,1)
(1,3)
(3,-1)
(3,-1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations.
y = -5x
x + 3y = 28
(-6, 30)
(-2, 10)
(-2, 39)
No solution
Infinite solutions
Tags
CCSS.HSA.REI.C.7
5.
DROPDOWN QUESTION
1 min • 1 pt
Solve the system of linear equations by substitution.
x + y = 2
2x + 7y = 9
(a) (b)
x = 6
x = -3
y = 2
y = 5/9
x = 1
y = 1
x = -8
y = 4
x = -2
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
DROPDOWN QUESTION
1 min • 1 pt
Solve the system of linear equations by substitution.
5x + 6y = 50
x - 6y = -26
(a) (b)
x = 6
x = -3
y = 20/6
y = -4
x = 4
y = 5
x = -8
y = 4
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following system by substitution. What is the solution?
(1, -2)
(-2, 1)
(-4, 1)
(2, 1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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