Solving systems using substitution and elimination
Authored by Megan Baldwin
Mathematics
9th - 12th Grade
CCSS covered
Used 5+ times
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30 questions
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1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
-3x - 8y = 20
-5x + y = 19
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
-7x - 2y = -13
x - 2y = 11
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
9x-3y=-3
-5x+3y=-1
Which variable will be eliminated?
the x
the y
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve using elimination.
x+y=3
-x-10y=-30
(0,3)
(0,-3)
no solution
infinitely many solution
Tags
CCSS.8.EE.C.8B
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the system of equations.
(3, 33)
(7, 77)
(2, 22)
No solution
Infinite solutions
Tags
CCSS.8.EE.C.8B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify which method for solving systems is being described by this fact:
If one equation is isolated like y = 2x or
x = 7 - 4y then this method should be used.
Graphing
Substitution
Elimination (linear combination)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
10x-8y=-30
-10x+9y=25
Which variable will be eliminated?
the x
the y
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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