# ALEX Lesson Plan

## Logarithms: Undo the Exponential

You may save this lesson plan to your hard drive as an html file by selecting "File", then "Save As" from your browser's pull down menu. The file name extension must be .html.

This lesson provided by:
 Author: Lorie White System: Lauderdale County School: Rogers High School
General Lesson Information
 Lesson Plan ID: 35700 Title: Logarithms: Undo the Exponential Overview/Annotation: In this lesson, students are asked to provide a written description of both an exponential function and its inverse. They are then introduced to the logarithmic function and will practice writing exponential functions as logarithms and logarithms as exponential functions. Students will evaluate logarithmic expressions and will solve logarithmic equations.This lesson results from the ALEX Gap Resource Project.
Associated Standards and Objectives
Content Standard(s):
 Mathematics MA2015 (2016) Grade: 9-12 Precalculus 24 ) (+) Understand the inverse relationship between exponents and logarithms, and use this relationship to solve problems involving logarithms and exponents. [F-BF5]

Local/National Standards:

Primary Learning Objective(s):

Students will recognize that a logarithm is the inverse of an exponential function.

Students will be able to write an exponential function as a logarithmic function and vice versa.

Students will be able to evaluate exponential expressions.

Students will be able to solve logarithmic equations.