5.3 Change of Base Formula

Comic of the Day

Tip: Try logarithms

Warm Up
Rearrange the following equations from exponential to logarithm form or vice-versa

a) 

b) 

c) 

d) 

Announcements

• Next quiz tentatively scheduled for Mon, Feb 4 (4.5 Rational Functions, 5.1-5.3 Exponential and Logarithmic Functions)
• Next unit exam Wed, Feb 13 (55 minutes, in class)
• SOS posted on Moodle to help your studying

Today - 5.3 Change of Base Formula
Notes

Homework
Add 5.3 #69-101 odd to homework

Tomorrow - 5.4 Properties of Logarithms
Pre-read 5.4

For more information
http://www.khanacademy.org/math/algebra/logarithms/v/change-of-base-formula 
http://www.khanacademy.org/math/algebra/logarithms/v/natural-logarithm-with-a-calculator 
http://www.khanacademy.org/math/algebra/logarithms/v/calculator-for-natural-logarithms 
http://patrickjmt.com/change-of-base-formula-for-logarithms/