# Logarithm properties

14 videos
1 skill
You want to go deeper in your understanding of logarithms. This tutorial does just that by exploring properties of logarithms that will help you manipulate them in entirely new ways (mostly falling out of exponent properties).

### Introduction to logarithm properties

VIDEO 9:14 minutes
Introduction to the first two logarithm properties.

### Introduction to logarithm properties (part 2)

VIDEO 10:04 minutes
Second part of the introduction to logarithm properties.

### Logarithm of a power

VIDEO 4:49 minutes
Logarithm of a Power

### Sum of logarithms with same base

VIDEO 5:04 minutes
Sum of Logarithms with Same Base

### Using multiple logarithm properties to simplify

VIDEO 2:10 minutes
Using Multiple Logarithm Properties to Simplify

### Operations with logarithms

PRACTICE PROBLEMS

### Change of base formula

VIDEO 7:32 minutes
Change of Base Formula

### Proof: log a + log b = log ab

VIDEO 7:08 minutes
Proof of the logarithm property: log a + log b = log ab

### Proof: a log b = log(b^a), log a - log b = log(a/b)

VIDEO 7:57 minutes
Proofs of the logarithm properties: A(log B) = log (B^A) and log A - log B = log (A/B)

### Change of base formula proof

VIDEO 4:59 minutes

### Logarithmic equations

VIDEO 1:27 minutes
Logarithmic Equations

### Solving logarithmic equations

VIDEO 4:13 minutes
Solving Logarithmic Equations

### Solving logarithmic equations

VIDEO 3:28 minutes
Solving Logarithmic Equations

### Logarithmic scale

VIDEO 11:15 minutes
Understanding how logarithmic scale is different from linear scale and why it could be useful

### Richter scale

VIDEO 11:19 minutes
The basics of the logarithmic Richter and Moment Magnitude Scales to measure earthquakes