Inequalities

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If you need practice solving, graphing, and testing inequalities, try these free resources from around the web. You can watch a video about multistep inequalities, download a worksheet with compound inequality problems, or use online tools for graphing.
Algebra Terms

A helpful scientific calculator that runs in your web browser window.

In this video, Salman Khan of Khan Academy shows you how to solve inequalities.

In this video, Dr. Carleen Eaton shows you how to graph an inequality with two variables.

This video includes sample problems and step-by-step explanations of systems of equations and inequalities for the California Standards Test.

This video includes sample problems and step-by-step explanations of graphing inequalities and testing assertions for the California Standards Test.

Excellent site showing examples of algebra, trig, calculus, differential equations, and linear algebra.

This page lays out a detailed explanation on working with inequalities from the beginning. It also provides examples for students to work through and a list and explanation of the different theorems related to inequalities.

Rules for solving inequalities

This algebra reference sheet contains the following algebraic operations addition, subtraction, multiplication, and division. It also contains associative, commutative, and distributive properties. There are example of arithmetic operations as well as properties of exponents, radicals, inequalities, absolute values, complex numbers, logarithms, and polynomials. This sheet also contains many common factoring examples. There is a description of the quadratic equation as well as step by step instruction to complete the square.