TeachEngineering
Teach Engineering: Bone Density Math and Logarithm Introduction
This project shows the connection between engineering, science and math by having young scholars learn the equation needed to calculate bone mineral density. Lesson includes an explanation of the equation as well as practice problems and...
Help Algebra
Help algebra.com: Solving Logarithms and Exponentials
Examples are provided to demonstrate techniques for solving equations that contain logarithms and exponentials. Explanations of the solutions are also include to help further understanding of the concept.
Khan Academy
Khan Academy: Interpret Equations Graphically
Practice the connection between the graphical representation of equations and their algebraic solutions.
Windstream
Ojk's Precalculus Study Page: Sample Test
A practice test on exponents and logarithms, covering the basics and going through solving exponential and logarithmic equations.
Illustrative Mathematics
Illustrative Mathematics: F Le Carbon 14 Dating
The task requires the student to use logarithms to solve an exponential equation in the realistic context of carbon dating. Aligns with F-LE.A.4.
Illustrative Mathematics
Illustrative Mathematics: F Le Bacteria Populations
This task provides a real-world context for interpreting and solving exponential equations. Students are asked to examine the equations representing the growth of three colonies of the bacterium that causes pneumonia, each colony being...
TED Talks
Ted: Ted Ed: Logarithms Explained
This animated video explores logarithms and explains how they are used in chemistry. Get the basics on these critical mathematical functions -- and discover why smart use of logarithms can determine whether your eyes turn red at the...
Illustrative Mathematics
Illustrative Mathematics: F Le Newton's Law of Cooling
For this problem, young scholars use an exponential equation to investigate the cooling of a cup of coffee and how long it would take for it to cool down to different temperatures. Aligns with F-LE.B.5 and F-LE.A.4.
CK-12 Foundation
Ck 12: Algebra Ii: 3.5 Using Logs to Solve Exponential Functions
This section explores logarithms as operations that are the inverse of exponents. It investigates the process for "undoing" or "eliminating" variable exponents when solving exponential equations.
Illustrative Mathematics
Illustrative Mathematics: F Le Carbon 14 Dating in Practice Ii
This problem introduces Carbon 14 dating which is used by scientists to date certain organic material. This version is based on the ratio of Carbon 14 to Carbon 12, which decreases at a constant exponential rate after an organism dies....
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Exponential Equations
Use your knowledge of logarithmic properties in order to solve "exponential equations where x is in the exponent, but the bases do not match." This tutorial offers simple examples and practice exercises for you to complete and check.
Other
University of California: Exponential and Logarithmic Rules [Pdf]
A 2-page reference that outlines the what a logarithm is, the rules of exponents and logs, and how to solve simple exponential and log equations.
University of Guelph
University of Guelph: Physics Tutorials: Logarithm Bases
This site explains the types of logarithms.
Math Medics
S.o.s. Math: Solving Exponential Equations
Examples showing how to solve the exponential equation by using logarithms. It also includes a set of exercises to practice with.
Purple Math
Purplemath: Solving Exponential Equations: Solving From the Definition
This Purple Math site has many examples of exponential equations, without using logarithms.
Richland Community College
Richland Community College: Algebra Lecture Notes
This site from Richland Community College provides lecture notes to a class on Algebra. It covers a wide array of topics including functions, quadratic equations, inequalities, and much more.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Exponential Functions
Hotmath provides 21 practice problems relating to exponential an logarithmic functions. Each of the practice problems include a step-by-step guide for solving their function.
University of Vienna (Austria)
Maths Online
This site consists of interactive lessons on a multitude of math topics including sets, drawing plane and coordinate system, variables, equations, and functions. You may also view this Vienna University site in German.
TeachEngineering
Teach Engineering: Bone Mineral Density and Logarithms
Students examine an image produced by a cabinet x-ray system to determine if it is a quality bone mineral density image. Students write in their journals about what they need to know to be able to make this judgment. Students learn about...
Richland Community College
Richland Community College: Math 116 Lecture Notes
This site from the Richland Community College provides the detailed lecture notes to a college algebra course, complete with equations and definitions. Content ranges from "functions and their graphs" to "conics and parametric equations."
Illustrative Mathematics
Illustrative Mathematics: F Le Exponential Kiss
The purpose of this task is to use technology to study the behavior of some exponential and logarithmic graphs and to manipulate some explicit logarithmic and exponential expressions. Aligns with HSF-LE.A.4, F-BF.B.5, and F-IF.C.7.e.
Texas Instruments
Texas Instruments: Numb3 Rs: Trawling for an Intersection
Based off of the hit television show NUMB3RS, this lesson is designed to draw a connection between polar and parametric equations, as well as to expose students to the Trawler Problem (involving a fast boat chasing a slower boat which...
Paul Dawkins
Paul's Online Notes: Calculus I: Review
Learners review the algebra and trigonometric skills needed in a Calculus course. Topics investigated are solving trigonometric equations, logarithmic functions, exponential functions, functions, and common graphs. Class notes,...
Texas Instruments
Texas Instruments: Linear and Quadratic Approximations
In this activity, students explore the linear and quadratic approximations of a logarithmic function and find properties the functions have in common.