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Solving by Elimination

Authored by Barbara White

Mathematics

9th Grade

CCSS covered

Solving by Elimination
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22 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Identify the solution to this system of equations.

(4, -1)
(-1, 4)
(-4, 1)
(-4, -1)

Tags

CCSS.8.EE.C.8B

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

1)  -4x-2y=-12
      4x+8y=-24

(6,-6)
(-6,6)
(6,6)
(-6,-6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

7x + 4y = -6
-7x - 6y = 30
answers in (x,y)

(6, -12)
(6, 12)
(-12, 8)
(12, -8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

-8x - 7y = 10
-8x + 5y = 34
answers in (x,y)

No Solution
(-3, -10)
(3, 2)
(-3, 2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

-2x + y = 1
-4x + y =- 1
answers in (x,y)

(1,3)
no solution
(-1,3)
(3,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

-3x+3y = 18
5x-3y = -26
answers in (x,y)

(4,2)
(-4,-2)
(-4,2)
(4,-2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the system of equations:

y=2x

x + y = 9

(6, 3)

(3, 6)

(-3, -6)

no solution

Tags

CCSS.HSA.REI.C.7

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