Flipped Math
Solving Exponential Equations
Logarithms and exponents go together like multiplication and division. A video lesson demonstrates solving exponential equations both graphically and using logarithms. Supplemental materials give learners an option to practice what...
Flipped Math
Properties of Logarithms
You can't just do any old thing with a logarithm. You need a property to back you up. Pupils learn the properties of logarithms and how they relate to exponent properties in a video presentation. They then use the provided practice...
Flipped Math
Introduction to Logarithms
Keep on rolling with a lesson on logarithms. A video presentation introduces the definition of logarithms, the properties of them, and then how to use logarithms to solve simple exponential equations. The lesson is a first in a series of...
Krista King Math
Sales Decline Calculus Problems
Decaying car sales ... when should the advertising resume? The last video in a series of 31 works a problem involving exponential decay. The problem presents the scenario of declining car sales in which the rate is not given directly to...
Krista King Math
Continuous Compounding Interest
My great-great-great-grandfather would owe how much? The resource provides a scenario of finding the amount due on a library fine compounded continuously one hundred years later. The presenter substitutes values into the exponential...
Educreations
Natural Log Function-Integration
One of the strongest tools in integration is u-substitution, particularly when working with natural logs. In this step-by-step video presentation, a pleasant-voiced instructor walks through a number of integration problems. She...
Educreations
The pH Scale
The pH scale is actually based on logarithms rather than just simple numbers. The fact-filled video begins with an explanation of the auto-ionization of water. Then it describes the relationship between H+ and OH- in every solution. It...
Educreations
The pH Scale
The pH scale is actually based on logarithms rather than just simple numbers. The fact-filled video begins with an explanation of the auto-ionization of water. Then it describes the relationship between H+ and OH- in every solution. It...
Khan Academy
Khan Academy: Algebra: Logarithm of a Power
Explains the property of a logarithm of a power that states the log base b of m to the n power is equal to n times log base b of m. [4:49]
Khan Academy
Khan Academy: Algebra: Sum of Logarithms With Same Base
Demonstrates how to apply the logarithm property regarding the sum of logarithms with the same base to simplify a logarithmic expression. [5:04]
Khan Academy
Khan Academy: Algebra: Using Multiple Properties to Simplify
This video demonstrates how to apply the property that division inside a log can be turned into subtraction and the logarithm of a power property to simplify a given logarithmic expression. [2:10]
Khan Academy
Khan Academy: Algebra: Proof: A(log B) = Log (B^a), Log a Log B = Log (A/b)
Shows a proof of the logarithm power property and the property that division inside the log can be turned into subtraction outside the log. [7:58]
Sophia Learning
Sophia: Exponential to Logarithmic Format: Lesson 10
This lesson will show you how to use the proper formula and rewrite an equation as a logarithm and then again as an expression with an exponent. It is 10 of 10 in the series titled "Exponential to Logarithmic Format."
Sophia Learning
Sophia: Exponential to Logarithmic Format: Lesson 3
This lesson will show you how to use the proper formula and rewrite an equation as a logarithm and then again as an expression with an exponent. It is 3 of 10 in the series titled "Exponential to Logarithmic Format."
Sophia Learning
Sophia: Exponential to Logarithmic Format: Lesson 9
This lesson will show you how to use the proper formula and rewrite an equation as a logarithm and then again as an expression with an exponent. It is 9 of 10 in the series titled "Exponential to Logarithmic Format."
Khan Academy
Khan Academy: Logarithm Basics: Introduction to Logarithms
An introduction to logarithms
Khan Academy
Khan Academy: Converting an Exponential to Logarithmic Statement
Convert exponentials to logarithmic statements.
Khan Academy
Khan Academy: Natural Logarithms: Natural Logarithm With a Calculator
Demonstrates how to use a calculator to evaluate the natural log of a number and briefly discusses e.
Khan Academy
Khan Academy: Logarithm Properties: Proof
Proofs of the logarithm properties: A(log B) = log (B^A) and log A - log B = log (A/B)
Khan Academy
Khan Academy: Logarithm Basics: Fancier Logarithm Expressions
Examples of logarithms that evaluate to fractional and negative values.
Khan Academy
Khan Academy: Logarithm Basics: Logarithms
Intro to logarithms. Learning that logarithms are just a way of expressing "the exponent that you have to raise a base to to get another number"
Khan Academy
Khan Academy: Algebra: Solving Logarithmic Equations
Demonstrates how to solve a logarithmic equation that involves common logarithms by applying different logarithmic properties. [4:13]
Khan Academy
Khan Academy: Logarithmic Equations: Variable in the Base
Shows how to solve a logarithmic equation that has a variable in the base. [3:27]