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# Unit H Concept 1-4

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Author: Crystal Kirch
##### Description:

1. Converting from logarithmic to exponential form and vice versa

2. Evaluating logs on a calculator (base 10 and e)

3. Using inverse properties of logs

4. Change of base formula

(more)

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Tutorial

## Unit H Intro

This quick intro will let us know what Unit H is all about and remind us of VANG and how it applies to inverse functions... which is what our two wonderful functions (exponentials and logarithms) that we are studying this chapter are!

Source: Created by Crystal Kirch using Camtasia for Mac

## Unit H Concept 1

Learn what "logarithmic form" and "exponential form" are and how to convert between the two!

Source: Created by Crystal Kirch using Camtasia for Mac

## Unit H Concept 2

This short video will review how to use the LOG and LN buttons on your calculator, as well as how to appropriately round to the thousandths place.

Source: Created by Crystal Kirch using Camtasia for Mac

## Unit H Concept 3

This short video will go over the four properties of logs you need to have memorized and show how you can use those properties to evaluate logs without needing a calculator.

Source: Created by Crystal Kirch using Camtasia for Mac

## Unit H Concept 4

This last short video lesson will review how to evaluate logs on your calculator when they are not base 10 (common log) or base e (natural log) by using the Change of Base formula

Source: Created by Crystal Kirch using Camtasia for Mac

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