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# Linear Inequalities in Two Variables

## Graph inequalities like 2x + 3 < y on the coordinate plane

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.

## Linear Inequalities in Two Variables

Solve and graph linear inequalities in two variables on the coordinate plane
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## Graphing Inequalties in Two Variables

This lesson covers graphing inequalities in two variables.
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• PLIX

## Linear Inequalities in Two Variables

Linear Inequalities in Two Variables Interactive
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• Video

## Graphing Linear Equations in Two Variables - 2

Learn how to graph an inequality.
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• Video

## Linear Inequalities in Two Variables: A Sample Application

This video demonstrates a sample use of linear inequalities in two variables.
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• Video

## Linear Inequalities in Two Variables: An Explanation of the Concept

This video provides an explanation of the concept of linear inequalities in two variables.
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• 1
• Critical Thinking

## Linear Inequalities in Two Variables Discussion Questions

A list of student-submitted discussion questions for Linear Inequalities in Two Variables.
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• Real World Application

## Compare the Popularity of Different Coffees

How can we compare the popularity of different coffee?
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• Real World Application

## At the Margins

Find out how economists determine income tax rates.
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• Study Guide