Systems of Linear Equations Elimination and Substitution
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
a method to solving a system of equations by getting rid of one of the variables first to solve for the other variable.
Systems by Graphing
Systems by Substitution
Systems by Elimination
Systems by Drawing
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to this system of equations? Solve by substitution or graphing.
(7, -8)
(-7, 8)
(-7, -8)
(7, 8)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
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
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system by elimination. 7x - y = -10 -7x + 5y = -6
(-2, -4)
(-2, -1)
(-4, -1)
(6, -8)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the solution:
2x-5y=15
3x+y=31
(10,1)
(13, -8)
(-10,-7)
No Solution
Tags
CCSS.8.EE.C.8B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using substitution or elimination. −4x − 2y = −12 4x + 8y = −24
(5,-5)
(6,-6)
No solution
Infinitely many solutions
Tags
CCSS.8.EE.C.8B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for x and y.
y = 2/3x - 2
y = -x + 3
(0,3)
(0,-3)
(3,0)
(-3,0)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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