# Consistent and Inconsistent Linear Systems

## Systems with parallel or intersecting lines

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.

## Consistent and Inconsistent Linear Systems

Identify a system as inconsistent, consistent, or dependent and determine how many solutions a system has.
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• Video

## Special Types of Linear Systems: A Sample Application

This video demonstrates a sample use of special types of linear systems.
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• Video

## Special Types of Linear Systems: An Explanation of the Concept

This video provides an explanation of the concept of special types of linear systems.
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• Critical Thinking

## Consistent and Inconsistent Linear Systems Discussion Questions

A list of student-submitted discussion questions for Consistent and Inconsistent Linear Systems.
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• Real World Application

## AT&T & Verizon - Same Cost?

Students will apply their understanding of consistent and inconsistent systems of equations to the cost of the same phone with two different cell phone providers.
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• Real World Application

## Who Done It?

Find out how the logic behind solving crimes is the same as the logic behind solving systems of equations.
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• Study Guide

## Linear Systems: Solve by Graphing and Substitution Study Guide

This study guide looks at systems of linear equations and how to solve them by graphing and by substitution. It also looks at the types/number of solutions to systems of linear equations.
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