Activity
Texas Education Agency

Texas Gateway: Linear Inequalities

For Students 9th - 10th Standards
This activity provides an opportunity for students to examine how to find solutions to linear inequalities by graphing.
Unit Plan
Texas Education Agency

Texas Gateway: Solving Linear Inequalities

For Students 9th - 10th Standards
The student will represent linear inequalities using equations, tables, and graphs. The student will solve linear inequalities using graphs or properties of equality, and determine whether or not a given point is a solution to a linear...
Handout
CK-12 Foundation

Ck 12: Algebra: Systems of Linear Inequalities Study Guide

For Students 9th - 10th Standards
This comprehensive study guide highlights the main terms and formulas needed to understand systems of linear inequalities. Examples are included.
Website
Purple Math

Purplemath: Solving Linear Inequalities: Introduction and Formatting

For Students 9th - 10th Standards
This resource demonstrates how to solve linear inequalities step-by-step and shows four different solution formats/notations viz. inequality notation, set notation, interval notation, and the last "notation" which is more of an...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Linear Inequalities in Two Variables

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Solve and graph linear inequalities in two variables on the coordinate plane.
Unknown Type
Khan Academy

Khan Academy: Algebra: Constraint Solutions of Systems of Inequalities

For Students 9th - 10th Standards
Find the range of values of one variable that corresponds to a given value of the other variable in a system of two-variable linear inequalities. Students receive immediate feedback and have the opportunity to try questions repeatedly,...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Solve One Step Inequalities: Linear Inequalities

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Solve inequalities by isolating the variable and graphing the solution.
Interactive
Shodor Education Foundation

Shodor Interactivate: Linear Inequalities

For Students 9th - 10th Standards
Students create linear inequalities and systems of linear inequalities on a coordinate plane. This is like a graphing calculator with advanced viewing options.
Unit Plan
Khan Academy

Khan Academy: Equations & Inequalities Word Problems

For Students 9th - 10th Standards
HSA-CED.A.1: Interactive resource which create equations and inequalities in one variable and use them to solve problems. Include equations arising from linear and quadratic functions, and simple rational and exponential functions....
Activity
Other

University of Wisconsin: Graphing Inequalities

For Students 9th - 10th Standards
This site, which is provided for by the University of Wisconsin, gives a discussion in how to graph an inequality is presented. A link to practice problems is provided.

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