Math2
Math2.org: Exponential Identities
A list of exponential rules and logarithm rules for manipulating such terms and factors in equations or expressions.
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...
William Mueller
William Mueller: Families of Functions
Meet the Function Family! Each member of the family has examples of their graphs and descriptions of the types of real-world situation that produce those graphs.
Texas Instruments
Texas Instruments: Solve Log Equation
This StudyCards set begins with "what is an equation?" and continues by developing the connection between points on the graph of the related function and a solution to an equation.