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Inequalities (systems & graphs)

Checking solutions of two-variable inequalities

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Testing solutions to inequalitiesTesting solutions to systems of inequalities
Practice
Solutions of inequalities: algebraicGet 3 of 4 questions to level up!
Solutions of inequalities: graphicalGet 3 of 4 questions to level up!
Solutions of systems of inequalitiesGet 3 of 4 questions to level up!

Graphing two-variable inequalities

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Intro to graphing two-variable inequalitiesGraphing two-variable inequalitiesTwo-variable inequalities from their graphsIntro to graphing systems of inequalitiesGraphing systems of inequalitiesGraphing inequalities (x-y plane) review
Practice
Graphs of inequalitiesGet 3 of 4 questions to level up!
Two-variable inequalities from their graphsGet 3 of 4 questions to level up!
Systems of inequalities graphsGet 3 of 4 questions to level up!

Modeling with linear inequalities

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Writing two-variable inequalities word problemSolving two-variable inequalities word problemGraphs of two-variable inequalities word problemInterpreting two-variable inequalities word problemModeling with systems of inequalitiesWriting systems of inequalities word problemSolving systems of inequalities word problemGraphs of systems of inequalities word problem
Practice
Two-variable inequalities word problemsGet 3 of 4 questions to level up!
Systems of inequalities word problemsGet 3 of 4 questions to level up!

About this unit

In this unit, we study inequalities like x+2y>5 and graph them. This helps us see their solutions. We also explore systems of inequalities (multiple inequalities at the same time) and use them to describe real-world situations.