Khan Academy
Khan Academy: Solutions of Inequalities Graphically
Given the graph of a two-variable linear inequality, check whether a given pair of values is a solution of the inequality. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or...
CK-12 Foundation
Ck 12: Algebra: Checking Solutions to Systems of Linear Inequalities
[Free Registration/Login may be required to access all resource tools.] This lesson covers checking for solutions of systems of linear inequalities. Students watch a video tutorial, explore guided notes and attempt practice problems.
CK-12 Foundation
Ck 12: Algebra: Linear Inequalities in Two Variables
[Free Registration/Login may be required to access all resource tools.] Graph linear inequalities in two variables.
CK-12 Foundation
Ck 12: Algebra: Linear Inequalities in Two Variables
[Free Registration/Login may be required to access all resource tools.] Solve and graph linear inequalities in two variables on the coordinate plane.
CK-12 Foundation
Ck 12: Algebra: Linear Inequalities in Two Variables
[Free Registration/Login may be required to access all resource tools.] This lesson covers graphing inequalities in two variables.
CK-12 Foundation
Ck 12: Algebra: Solve One Step Inequalities: Linear Inequalities
[Free Registration/Login may be required to access all resource tools.] Solve inequalities by isolating the variable and graphing the solution.
CK-12 Foundation
Ck 12: Algebra: Graphs of Systems of Linear Inequalities
[Free Registration/Login may be required to access all resource tools.] This lesson covers graphing systems of linear inequalities to find the solution area. Students watch videos, review guided notes and attempt practice problems.
CK-12 Foundation
Ck 12: Algebra: Systems of Linear Inequalities
[Free Registration/Login may be required to access all resource tools.] Graph and solve systems of linear inequalities.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Graphing Linear Inequalities
A tutorial on how to graph a linear inequality in two variables. The tutorial offers step-by-step instruction and examples of how to graph linear inequalities.
CK-12 Foundation
Ck 12: Algebra: Systems of Linear Inequalities Study Guide
This comprehensive study guide highlights the main terms and formulas needed to understand systems of linear inequalities. Examples are included.
Purple Math
Purplemath: Solving Quadratic Inequalities: Concepts
Introduces a conceptual basis for solving quadratic inequalities, looking at linear inequalities and using a knowledge of what quadratic graphs look like.
Cool Math
Coolmath: Systems of Inequalities
Reference material and practice problems graphing systems of inequalities.
Shodor Education Foundation
Shodor Interactivate: Linear Inequalities
Students create linear inequalities and systems of linear inequalities on a coordinate plane. This is like a graphing calculator with advanced viewing options.
Khan Academy
Khan Academy: Constraint Solutions of Systems of Inequalities
Find the range of values of one variable thatcorresponds to a given value of the other variable in a system of two-variable linear inequalities.
Khan Academy
Khan Academy: Solutions of Systems of Inequalities
Check whether an ordered pair is a solution of a system of two-variable linear inequalities.
Hofstra University
Hofstra University: Linear Programming
This lesson is a review of problems with systems of inequalities. Many of the questions involve real world scenarios as word problems which the reader must decipher and resolve.
Windstream
Ojk's Precalculus Study Page: Linear Inequalities and Absolute Value
This tutorial demonstrates how to solve linear equalities. It also defines absolute value and demonstrates how to solve problems involving absolute value.
University of Regina (Canada)
University of Regina: Math Central: Graphing a System of Inequalities
A solution is presented to a student-submitted problem. The problem involves graphing and finding the solution set to a system of inequalities.
Other
University of Wisconsin: Graphing Inequalities
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.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Graphing Inequalities One Variable
Find a quick, concise explanation of how to graph a one variable inequality. An example is given and clearly explained.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Systems of Linear Inequalities
Find a quick, concise explanation of system of linear inequalities. An example is given and clearly explained.
ClassFlow
Class Flow: Linear Inequalities
[Free Registration/Login Required] This flipchart shows students how to graph linear inequalities.
Interactive Mathematics
Interactive Mathematics: Solving Non Linear Inequalities
The steps for solving non-linear inequalities are presented along with examples to demonstrate the processes. Examples include equations that contain quadratics, cubics and rational expressions.
Purple Math
Purplemath: Graphing Linear Inequalities Lesson: Y > Mx + B, Etc.
Demonstrates, step-by-step and with illustrations, how to graph linear (two-variable) inequalities.