Interactive Mathematics
Interactive Mathematics: Exponential & Logarithmic Equations
Several examples on solving exponential and logarithmic equations are presented here. Practice problems and a real-world application involving bacteria growth are included.
Interactive Mathematics
Interactive Mathematics: Properties of Logarithms
The properties of logarithms are presented here, along with examples of how to apply to them to situations like population growth.
Interactive Mathematics
Interactive Mathematics: Logarithms to Base 10
Learn how to calculate logarithms (to base 10) and antilogarithms with this simple demonstration.
Interactive Mathematics
Interactive Mathematics: Logarithms to Base 10
A short tutorial on common logarithms to base 10. Good example exercises.
CK-12 Foundation
Ck 12: 3.4 Graphs of Logs as the Inverse of Exponential Functions
This lesson explores the statement that the log functions are identified as the inverse of exponential functions. These functions will be compared visually through the graphs of both the logarithmic and exponential functions.
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.
CK-12 Foundation
Ck 12: Algebra: Applications of Exponential Functions
[Free Registration/Login may be required to access all resource tools.] This lesson covers how to use exponential functions in real-life situations. Students watch a video tutorial, explore guided notes and attempt practice problems.
Tech Target
What Is: Exponential Function
A good site explaining the exponential function. The site has links to related topics
Texas Instruments
Texas Instruments: Number Power!
In this activity, students explore patterns and rules in dealing with exponents and logarithms. They evaluate expressions with exponents and logarithms and display them in various notations. They will use their calculators to discover...
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Exponenciales Y Logaritmicas
In this activity you will learn how to differentiate and solve logarithmic equations and observe the relationship between logarithmic and exponential equations.
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,...
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...
Texas Instruments
Texas Instruments: Solve Log Equation
This StudyCards set begins with "what is an equation?" and continues by developing the connection between points on the graph of the related function and a solution to an equation.
Math Medics
S.o.s. Math: Rules of Logarithms
A thorough treatment of the laws of logarithms, how they relate to the laws of exponents, and examples of each.
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.
Hofstra University
Hofstra University: Logarithmic and Exponential Functions
This is a 20 question quiz on logarithmic and exponential functions. This is a good way to be sure you know how to use logarithms and exponents. The site however only tells you if you've made a correct choice, there are no explanations.
University of Utah
University of Utah: A Simple Example Logarithms
This site from the University of Utah provides a good simple base conversion page.
Math Notes and Math Tests
Pre Calculus Notes: (More) Properties of Logs [Pdf]
The resource investigates properties of logarithmic functions. Topics examined are laws of exponents, expanding logarithmic expressions, condensing logarithmic expressions, and the change of base formula. Class notes and examples are...
University of Vienna (Austria)
The Graphs of Sin, Cos, and Tan Maths Online
This applet allows the user to create the graphs of sin, cos, and tan by moving a scroll bar. The user can watch the unit circle and the graph simultaneously to see how the two are related. The user may also choose to see the angle...
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."
Richland Community College
Richland Community College: Exponential Models
This site from Richland Community College contains specific examples of where logarithmic and exponential formulas are used, including: exponential growth and decay, Gaussian, logistics growth, and logarithmic.
CK-12 Foundation
Ck 12: Algebra Ii: 3.7 Properties of Logs
This section explores the properties of logs. More specifically, it investigates how to apply these properties to simplify and expand logarithmic expressions, and to convert between expressions in logarithmic and exponential forms.
Math2
Math2.org: Series Expansions
A thorough review of calculus series. Links direct the student to the basic properties of series, as well as to explanations and examples of convergence tests in series. The expansions for exponential, logarithmic, and root functions and...
Illustrative Mathematics
Illustrative Mathematics: F Le Algae Blooms
This problem examines the growth of algal blooms in Chesapeake Bay. Students build an exponential function modeling algae concentration based on the information provided, and gain an appreciation for the exponential growth exhibited...