Contains a brief explanation of how to factor polynomials.
An overview of fractional (i.e., rational) exponents, including an example and practice problems with solutions.
This site compares the graphs of three quadratic functions, and explains how certain characteristics of the graph relate to properties of the equations and their solutions. Contains practice problems, including real-world examples.
Read an explanation of both the addition and multiplication properties of inequalities. Examples and practice problems (with their solutions) are also provided.
An explanation of how to find maximum (or minimum) point of a quadratic equation, including graphs to enhance understanding. Includes several examples/exercises, with solutions on the page.
Content, suitable for an introductory algebra course, explains the difference between rational and irrational numbers, how to rationalize the denominator, how to evaluate radicals and the square root process. Practice problems included.
A lengthy example on how to formulate the equation of an ellipse.