1. 6.10/6.11 Laws of Logarithms and change of base formula

2. Laws of Logarithms (you don’t need to write exp. Laws) Exponent LawsLogarithm Laws

3. Express as a single logarithm Ex)TOO)

4. Example

5. Ex ) Use log 10 10 = 1

6. TOO) Use log 10 10 = 1

7. Facts on Logs NEW !!!

8. Change-of-Base Formula base down low use your calculator base 10 Ex) log button on your calculator is base 10!!

9. Change-of-Base Formula **Remember no CASIOS on this test! base down low Write in log form Go around the world Starting with base Ex)

10. TOO: Use Change-of-Base Formula to solve: base down low Write as a single log

11. Homework Pg. 278-279 #1-49 odd Pg. 284-285 #1-19 odd