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Solving Systems of Equations with Elimination

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Solving Systems of Equations with Elimination
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What can be done to one of the equations below in order to be able to eliminate a variable?

Multiply the top equation by 4

Multiply the top equation by 3

Multiply the bottom equation by 4

Multiply the bottom equation by 3

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What can be done to one of the equations below in order to be able to eliminate a variable?

Multiply the top equation by 6

Multiply the top equation by 2

Multiply the bottom equation by 6

Multiply the bottom equation by 2

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve by elimination:

16x + 14y = 7

-8x - 7y = -6

(-8, 8)

(8, 6)

Infinitely Many Solutions

No Solution

Tags

CCSS.8.EE.C.8B

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

-3x - 3y = -9

-9x -9y = -27

(8, -10)

(-8, -10)

Infinitely Many Solutions

No solution

Tags

CCSS.8.EE.C.8B

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

No solution

(1,8)

(-2,-3)

(-1,-2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(5, 14)

(4, 5)

(5, 4)

(14, 5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Check to see if (-2,1) is a solution to the following system: x + 2y = 0 4x + 3y = 1

YES

NO

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