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# Graphs of Linear Systems

## Graph lines to identify intersection points

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.

## Graphs of Linear Systems

Find ordered pairs that satisfy a system of linear equations and solve linear systems by graphing.

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• PLIX

## Graphs of Linear Systems: Heart Rate Tracker

Graphs of Linear Systems Interactive

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• PLIX

## Graphs of Linear Systems: Star Lines

Graphs of Linear Systems Interactive

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• Video

## Ex 1: Solve a System of Equations by Graphing

Solves equations by graphing.

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• Video

## Linear Systems by Graphing: A Sample Application

This video demonstrates a sample use of solving linear systems by graphing.

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• Video

## Linear Systems by Graphing: An Explanation of the Concept

This video provides an explanation of the concept of solving linear systems by graphing.

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## Graphs of Linear Systems Quiz

Quiz for Graphing Linear Systems.

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• 1
• Critical Thinking

## Graphs of Linear Systems Discussion Questions

A list of student-submitted discussion questions for Graphs of Linear Systems.

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• Real World Application

## Finding the Cheapest Cell Phone Plan

All students will be able to research two different cell phone companies and determine which cell phone plan is the cheapest using systems of linear equations. Students will represent these relationships through equations, tables and graphs.

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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

## 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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• Study Guide