Logarithms 16 - Solving Equations
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Lesson Summary:
In this lesson on logarithms, you will learn how to solve equations containing logarithms. The lesson covers the meaning of logarithms, how to change from a log to exponential form, and the commonly used properties when solving logs. The video provides step-by-step instructions for solving three log equations, emphasizing the importance of plugging the solution back into the original equation to ensure it is valid. By the end of the lesson, you will have a thorough understanding of how to solve log equations.
Lesson Description:
Solving Equations containing logarithms. .
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
Questions answered by this video:
- How do you solve logarithmic equations?
- How can you use logarithms and the properties of logarithms to solve equations?
- How do you solve log base 5 of (2x - 3) = 2?
- How do you solve log x + log (x + 21) = 2?
- How do you solve log base 3 of n - log base 3 of 4 = 2?
- How can you check your solution to a logarithmic equation?
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Staff Review
Even though the introduction says that this is part 11, this is actually part 16 of logarithms. Several example problems are shown and solved. The problems in this video are logarithmic equations in which you need to find the value of x, which is inside of a logarithm. The properties of logarithms are used to help solve these problems. All work is shown and explained in this lesson.
