Provides an interactive tool that solves inequalities for you. Gives exact and approximate solutions. Further down the page there is a discussion of how to solve intermediate and advanced inequalities as well as information about how to...

At this site Dr. Math answers a question about credit card balance payoffs. An advanced algebraic solution is offered.

The online assessment demonstrates knowledge of advanced mathematical concepts in Algebra. The multiple choice questions test students on integers. Topics include performing operations with integers and graphing.