This is a great review site for students because it contains explanations and examples in 15 topical areas. The site contains sample tests and detailed answers, interactive and email quizzes as well as a scientific and graphing calculator.
a precalculus review site where you can select your sub topic and review your knowledge. After review there is even a quiz to double check your readiness.
To simplify a rational expression: Completely factor numerators and denominators . Reduce common factors . Example 1: Simplify . Example 2: Simplify . Whenever possible,