Section 6.5
Properties of Logarithms

FIU has online movies to help with this topic on this page. You must have QuickTime Player, a free download, installed on your computer.

The University of Idaho provides another online resource. These lectures are only viewable by those with DSL or cable modems. Real Player, a free download, is required to see these videos. The videos cover the topics below. To see the videos, go to this page and look under section 6.5.
The Properties of Logarithms
Rewriting logarithmic expressions as the sum and/or difference of logarithms
Rewriting the sum and/or difference of logarithms as a single logarithm

Joliet Junior College has online videos that require Windows Media Player, a free download.
Work with properties of logarithms
Write a logarithmic expression as the sum or difference of logarithms
Write the sum or difference of logarithms as a single logarithm
Evaluate logarithms whose base is neither 10 nor e

LSU also has an online video. This is a very large file and will take several minutes to open, even with a high-speed connection.

More Online help:
PurpleMath.com
Interactive tutorial