The logarithmic properties

1. 3.3
Properties of Logarithms
Objective: Use the properties of
logarithms to simplify complex
expressions.

2. What's a "logarithm?"

3. The Properties:

4. Please note…

6. Ex. 1) Expand.
a)
b)

7. Ex. 2) Expand.

9. Ex. 3)
If log 4=0.6021, log 5=0.6990, and
log 6=0.7782 find:
log 24
log 125
log 1/6

10. Ex. 4) Condense into one logarithm.
a)
b)

11. Ex. 5) Evaluate.
a)
b)

12. Ex. 6) Evaluate.

14. Assignment:
#21 p. 243
#12, 13, 19, 21, 26, 28,
35, 36, 44, 48, 53, 59,
64, 72, 73, 77