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.
This website explains how to solve linear, quadratic, exponential, logarithmic, and trigonometric equations. It also explains how to solve equations containing radicals, absolute value, and fractions. This website contains sample problems along with detailed solutions for each type of equation.
This web page illustrates the process of solving equations of various forms. It also shows you how to check your answer three different ways: algebraically, graphically, and using the concept of equivalence.
A site full of many quizzes ranging from real numbers to logorithms. Each section has questions to answer then provides the solutions to double check your answers with.
This website tests you on your knowledge of how to graph rational functions. After you finish taking the test you can check your answers and see what you need to improve on.