mathwizz.com

Basic inequalities
Here is where to begin if you're just starting to learn how to solve inequality problems.

Absolute value problems
These problems involve both linear and quadratic functions. Come here after you've mastered the basics.

Radical inequality problems
These problems require you to put your thinking cap on. These may be some of the hardest algebra problems you'll ever encounter in your high school math career.

Inequality problems with solutions database