Solve Systems by Elimination Special Cases
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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19 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(-2,2)
(2,-2)
(-2,-2)
(-2, 1/2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
4x+9y=28
-4x-y=-28
(-7,0)
(6,0)
(-6,0)
(7,0)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination
-6x + 5y = 1
6x + 4y = -10
(1,-1)
(0,-1)
(1,1)
(-1,-1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4x + 8y = 20
-4x + 2y = -30
Which variable will be eliminated?
The x
The y
The z
The unknown
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MATCH QUESTION
1 min • 6 pts
What do you do in #6?
-12
Eliminate
y
Solve for...
x
Divide by
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
GRAPHING QUESTION
1 min • 1 pt
Solve the system. Plot the solution on the graph.
2x + 9y = -7
6x - 3y = 9
Tags
systems
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
7x + y = -9
-3x - y = 5
No solution
(1,8)
(-2,-3)
(-1,-2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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