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Systems of Equations by Elimination Addition Subtraction
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
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
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
-9x-4y=-20
5x+4y=4
(-4,4)
(4,4)
(4,-4)
(-4,-4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which method would be best (quickest) for solving the system below:
x + y = 11
3x - 4y = -2
Substitution
Elimination
Graphing
None of these
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
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
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
C
D
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
DRAG AND DROP QUESTION
1 min • 1 pt
What is the value of x in the solution to this system of equations?
3
Tags
CCSS.HSA.REI.C.9
7.
DROPDOWN QUESTION
1 min • 1 pt
What is the value of x in the solution to this system of equations?
6.5
-6.5
0.5
-0.5
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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