Algebra 1 Online! Henrico County Public Schools, Virginia
Module - Systems of Equations
Lesson 5 - Graphing Systems of Inequalities
 Lessons 1- Graphing Systems of Equations 2- Solving Systems by Substitution 3- Solving Systems by Elimination Using Addition and Subtraction 4- Solving Systems by Elimination Using Multiplication 5- Solving Systems of Inequalities by Graphing 6- Module Review
SOL

A.5d - The student will solve multistep linear inequalities in two variables, including solving systems of inequalities.

## System of Inequalities

Move the dots to the region that satisfies the inequalities.

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Common Core Standards
 A-CED.3 A-REI.12
Warm-up
Lessons
1. Notes: Graphing Systems of Inequalities (mov)
2. Solving Systems of Inequalities (ppt) *New 2009 SOL content*
Videos
Explore Learning
1. System of Two Quadratic Inequalities: Find the solution set to a quadratic inequality using its graph. Vary the terms of the inequality and the inequality symbol. Examine how the boundary curve and shaded region change in response.
Geogebra

Internet Sites
1. Interactive Notes: Graphing Systems of Inequalities - lessons and practice problems at Regentsprep.org
2. Interactive Notes: Review Systems of Inequalities *New 2009 SOL content*
3. Interactive Notes: Introduction to system of Inequalities *New 2009 SOL content*
4. Graphing Systems of Inequalities