Instructional Video
Khan Academy

Khan Academy: Logarithm Properties: Richter Scale

9th - 10th
The basics of the logarithmic Richter and Moment Magnitude Scales to measure earthquakes
Instructional Video
Khan Academy

Khan Academy: Logarithmic Equations: Variable in the Base

9th - 10th Standards
Shows how to solve a logarithmic equation that has a variable in the base. [3:27]
Instructional Video
Khan Academy

Khan Academy: Logarithm Properties: Introduction to Logarithm Properties

9th - 10th
Introduction to the first two logarithm properties.
Instructional Video
Other

The Organic Chemistry Tutor: Solving Exponential Equations

9th - 10th Standards
This algebra video tutorial explains how to solve exponential equations using basic properties of logarithms. It explains how to find a common base to solve an exponential equation and how to do it using logarithms and natural...
Instructional Video
Study Pug

Study Pug: Product Rule of Logarithms

9th - 10th
Video tutorial explains how and when to use the product rule of logarithms. [12:02]
Instructional Video
Study Pug

Study Pug: Converting From Exponential Form to Logarithmic Form

9th - 10th
Watch this video lesson to learn how to convert from exponential form to logarithmic form. Practice problems included.
Instructional Video
Sophia Learning

Sophia: Algebra 2: Exponential to Logarithmic Format: Lesson 4

9th - 10th Standards
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 4 of 10 in the series titled "Exponential to Logarithmic Format." [2:55]
Instructional Video
Sophia Learning

Sophia: Algebra 2: Exponential to Logarithmic Format: Lesson 8

9th - 10th Standards
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 8 of 10 in the series titled "Exponential to Logarithmic Format." [2:59]
Instructional Video
Sophia Learning

Sophia: Learning by Extension: Lesson 4

9th - 10th
This lesson demonstrates the use of logic to learn by extension. It is 4 of 10 in the series titled "Learning by Extension."
Instructional Video
Sophia Learning

Sophia: Learning by Extension: Lesson 9

9th - 10th
This lesson demonstrates the use of logic to learn by extension. It is 9 of 10 in the series titled "Learning by Extension."
Instructional Video
Sophia Learning

Sophia: Change of Base Formula

9th - 10th Standards
this lesson demonstrates the change of base property for logarithms
Instructional Video
Sophia Learning

Sophia: Solving Exponential Equations #4

9th - 10th Standards
This lesson demonstrates how to solve exponential equations using logarithms.