Math2
Math2: Circles
This site has many useful formulas and examples relating to circles, including related definitions, circumference of a circle, area of a circle, length of a circular arc, area of a circular sector, equation of a circle in cartesian...
Texas Instruments
Texas Instruments: Parent Graphs
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.
Lawrence Hall of Science
The Math Page: Topics in Pre Calculus: The Slope of a Straight Line
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...
Lawrence Hall of Science
The Math Page: Topics in Pre Calculus: The Formal Rules of Algebra
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...
Lawrence Hall of Science
The Math Page: Topics in Pre Calculus: Basic Graphs
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...
Lawrence Hall of Science
The Math Page: Topics in Pre Calculus: Vocabulary of Polynomial Function
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...
Khan Academy
Khan Academy: Add & Subtract Vectors
Add and subtract vectors given in component form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Cool Math
Coolmath: Precalculus Basic Formulas to Know
This CoolMath resource provides an introduction to some Precalculus formulas.
Cool Math
Coolmath: Pre Calculus Tail Behavior
This pre-calculus resources provides examples and explanations of tail behavior.
Math2
Math2.org: Exponential Identities
A list of exponential rules and logarithm rules for manipulating such terms and factors in equations or expressions.