Logarithms 10 - Properties of Logs
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Lesson Summary:
In this logarithm lesson, the instructor focuses on the product, quotient, and power properties of logarithms. By working through example problems, the instructor emphasizes the importance of rewriting the logarithmic expression in its simplest form and using the properties of logarithms to solve for the variable. The lesson also provides alternative methods for approaching the problems, pushing students to think critically about different solution strategies.
Lesson Description:
Practice using the product, quotient, and power properties of logs. .
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
Questions answered by this video:
- How can you use the properties of logarithms to evaluate logarithmic expressions?
- If log base b of 3 = .5 and log base b of 5 = .7, how do you evaluate log base b of 1.8?
- If log base b of 3 = .5 and log base b of 5 = .7, how do you evaluate log base b of 5/3?
- If log base b of 3 = .5 and log base b of 5 = .7, how do you evaluate log base b of .04?
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Staff Review
In this video, you will learn how to evaluate expressions of logarithms. This is very similar to the previous video, but now you will obtain actual numerical values for the expressions. Several rules and properties of logarithms come in handy in these problems, and some tricks are necessary to use the information given to simplify. In some of these problems, there are multiple ways to arrive at the same answer.
