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 * Aim: How do we use summation notation to represent a series?**

At the end of this lesson, you will be able to...
 * 1) define summand, limits of summation, and index
 * 2) use summation notation to represent a series of n-terms for arithmetic, geometric, linear, quadratic, trigonometric, or imaginary series
 * 3) find the sum of n-terms of an arithmetic of geometric series given in summation notation

This lesson is pretty straight forward. The video gives steps on how to use the graphing calculator to solve these problems. As you watch the video, write down the steps. Use the graphing calculator to check your answers.

[|Video]

[|And a quick example from Patrick]


 * Classwork:** Answer the following problems. Use your graphing calculator to check your answers.

[|CW_Sigma.JPG]


 * Homework:** Work on problems 3-31 odd

[|Sigma.JPG]


 * Answers:**

[|A-Sigma.JPG]


 * Journal entry:** Many letters of the Greek alphabet are used to represent mathematical ideas. List three such letters and describe the mathematical ideas they are used to represent.