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Solving Systems Elimination

Authored by Kimberly Haralambopoulos

Mathematics

7th - 8th Grade

CCSS covered

Used 1K+ times

Solving Systems Elimination
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 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

5 mins • 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

45 sec • 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

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

What is the solution to the system?

(0, 3)
(1, -1)
(-3, 1)
(1, 3)

Tags

CCSS.8.EE.C.8A

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve by elimination: 
4x + 8y = 20
−4x + 2y = −30

(-1, 7)
(-7, 1)
(7, -1)
(1, -7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

45 sec • 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

7.

MULTIPLE CHOICE QUESTION

5 mins • 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

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