This precalculus review lesson reviews the difference quotient.

This Precalculus review (Calculus preview) lesson explains how to find the vertical asymptotes when graphing rational functions.

An introduction to functions with two variables, including several examples relating to linear programming. The tutorial includes graphical examples of the functions and also review questions located at the bottom of the page.

Here is a site that clearly and thoroughly explains all the rules of algebra from commutative and associative rules through rules for exponents and logarithms. A great review of the important rules from Algebra I and Algebra II! Point...

A precalculus tutorial on the advanced composition of functions.

Wrap up a bigger pre-calculus tutorial by taking a look at exponentials and logarithms.

This tutorial offers two methods to solve polynomial inequalities. Site includes several examples, charts, graphs, and other information for student understanding.

Here is a site that clearly and thoroughly explains the slope of a line. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to students who have been absent or...

Here is a site that clearly and thoroughly explains the graphs of the major mathematical functions. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to...

Here is a site that clearly and thoroughly explains all the vocabulary associated with polynomial functions. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out...

Here's a file that shows the graphs of eight major mathematical functions. Save it on your computer to use individual graphs in documents you create.

A list of exponential rules and logarithm rules for manipulating such terms and factors in equations or expressions.

An introductory tutorial to rational functions.

Discover the importance of finding the equations of lines.

Use this pre-calculus tutorial to learn about absolute values.