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# Applications of Linear Systems

## Word problems using two equations and two unknowns

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Applications of Linear Systems

Apply the various solution methods to solve real-world problems involving linear systems.

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• Video

## Applications of Linear Systems: A Sample Application

This video demonstrates a sample use of the applications of linear systems.

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• Video

## Applications of Linear Systems: An Explanation of the Concept

This video provides an explanation of the concept of the applications of linear systems.

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• Practice
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## Applications of Linear Systems KWL Chart

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• Real World Application

## Clean That Scrape, But Don't Get Burned!

Discover why systems of equations are important for chemists who produce hydrogen peroxide.

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• Real World Application

## Taxation

Learn how to use a system of linear equations to calculate federal and state taxes.

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• Real World Application

## The Bill of (Equal) Rights

Learn how to use a system of equations to determine which of two cell phone plans is a better deal.

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• Real World Application

## Shoot for the Moon

Find out how NASA scientists used a system of equations to land a probe on the moon in a recent mission.

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• Real World Application