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Solving Linear Systems with Elimination

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Solving Linear Systems with Elimination
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the system by elimination. 7x - y = -10 -7x + 5y = -6

(-2, -4)

(-2, -1)

(-4, -1)

(6, -8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

a method to solving a system of equations by getting rid of one of the variables first to solve for the other variable. 

Systems by Graphing

Systems by Substitution

Systems by Elimination

Systems by Drawing

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Alexandra finds that she can give 3 haircuts and 2 hair dyes in 315 minutes. Giving 2 haircuts and 4 hair dyes takes 450 minutes.  Which system of equations represents the situation?

3x + 2y = 315
2x + 4y = 450

3x + 2y = 450
2x + 4y = 315

2x + 2y = 315
3x + 4y = 450

Tags

CCSS.HSA.CED.A.3

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When using any of the 3 methods to solve a system of linear equations the resulting solution is the same no matter which method is used.

True; using any method will result in the correct solution.

False; the solution varies because the solution depends on which method is used.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Solve the following system of equations using the elimination method.

infinite solutions

(0, -2)

no solutions

(0, 2)

Tags

CCSS.8.EE.C.8B

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Solve the system of equations using elimination.

f = -2, g = 1

f = -1, g = 2

f = 1, g = -2

f = 2, g = -1

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Solve using Elimination.

(0,0)

(-8,-8)

(-8,0)

(0,-8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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