Logarithms featuring the TI-Nspire
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Lesson Summary:
In this lesson on logarithms, you will learn how to manipulate and evaluate logarithmic expressions by hand and on a TI-Nspire graphing calculator. The lesson covers the definition of logarithms, their real-life applications, and the different ways to manipulate logarithmic equations. You will also learn about the common logarithm and the change of base formula. By the end of the lesson, you will have gained the knowledge and skills necessary to solve logarithmic equations and understand their uses in the world around us.
Lesson Description:
Learn how to manipulate and evaluate logarithmic expressions by hand as well as on a TI-Nspire graphing calculator.
Additional Resources:
- TI Activities Exchange - Texas Instuments Activities Exchange Algebra 2 Logarithmic Functions page with many student activities for TI calculators.
- Lesson Slides - Slides that are written on from the lesson.
- TI-Nspire File - The TI-Nspire file from the lesson with all calculations included.
Questions answered by this video:
- What is a logarithm?
- How do you solve a logarithmic equation?
- How do you take a logarithm of a number?
- How do you do log base 2?
- How do you take the log of a number with a different base?
- What is the change of base formula?
- How do you do logarithms on a graphing calculator?
- How do you do logs with a TI-Nspire?
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Staff Review
This video explains what logarithms are and when they are used. It also goes into how to think about logarithms without a calculator as well as how to compute them using a TI-Nspire. This lesson shows how easily you can enter logarithms to bases other than 10 and e on a TI-Nspire.
