Help Algebra
Help algebra.com: Properties of Logarithms
Three properties of logarithms are presented here (product, quotient, and power properties). Examples are provided to demonstrate how to use the properties to expand and simplify logarithmic expressions.
Math2
Math 2: Exponential Identities and Logarithms
Exponential identities and logarithms that are commonly used are listed on this page.
Math2
Math 2: Exponential Identities and Logarithms
Exponential identities and logarithms that are commonly used are listed on this page.
Richland Community College
Richland Community College: Math 116 Lecture Notes
This site from the Richland Community College provides the detailed lecture notes to a college algebra course, complete with equations and definitions. Content ranges from "functions and their graphs" to "conics and parametric equations."
Math Medics
S.o.s. Math: Rules of Logarithms
A thorough treatment of the laws of logarithms, how they relate to the laws of exponents, and examples of each.
Interactive Mathematics
Interactive Mathematics: Properties of Logarithms
The properties of logarithms are presented here, along with examples of how to apply to them to situations like population growth.
Purple Math
Purplemath: Basic Log Rules / Explanding Logarithmic Expressions
Purplemath gives both a formal and informal discussion of log rules with exercises. Examples include expanding, simplifying, and evaluating logarithms. Changing the base of a logarithm is also discussed with examples.