Solving 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
2 or more linear equations with the same set of variables
System
System of Equations
Linear Equations
Quadratic Equations
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
y = -6x - 2 y = 4x - 12
(1, 8)
(1, -8)
(-1, 8)
(1, 0)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
y = -5x + 16 3x + 5y = -8
(-1, -1)
(1, 4)
(-1, -2)
(-1, 2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
y = -5x - 14 y = 5x + 6
(-2, 4)
(-4, -2)
(-2, -4)
(-2, -2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to this system? Solve by substitution.
y= 4x + 3
2x - 3y = 21
(3,-9)
(-3,-9)
(-3,9)
(0,1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
solve by substitution: y=3x+14
y=-4x
y=3
y=1
y= - 2
y=4
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
y = 5x + 7
8x - 8y = -24
(4, -4)
(-4, -4)
(4, 4)
(4, 0)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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