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Khan Academy: Graphs of Inequalities Unknown Type
Khan Academy

Khan Academy: Graphs of Inequalities

For Students 9th - 10th Standards
Graph two-variable linear inequalities.
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Activity
Purplemath: Systems of Linear Inequalities Activity
Purple Math

Purplemath: Systems of Linear Inequalities

For Students 9th - 10th Standards
This Purplemath lesson describes how to solve a system of linear inequalities by graphing.
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Lesson Plan
Illustrative Mathematics: A ced.a.2 and a ced.a.3: How Much Folate? Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A ced.a.2 and a ced.a.3: How Much Folate?

For Teachers 9th - 10th
This task is designed to be used as an introduction to writing and graphing linear inequalities. Aligns with A-CED.A.2 and A-CED.A.3.
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Khan Academy: Two Variable Inequalities Word Problems Unknown Type
Khan Academy

Khan Academy: Two Variable Inequalities Word Problems

For Students 9th - 10th Standards
Solve word problems that involve linear inequalities in two variables. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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