Lesson 5

1. Lesson 5

1.8. Explore 4

Mathematics 20-1 Module 1

Module 1: Sequences and Series

Self-Check 1

This is a play button that opens Geometric Series Formula Self-Check.

Complete Geometric Series Formula Self-Check. Have some scrap paper handy to do rough work. You may wish to save your rough work in your course folder for future reference. If you make a mistake, don’t worry! You can reset each question, and then try again!

Try This 4

You have derived a formula that can be used to evaluate the sum of a geometric series when given the first term (a), the common ratio (r), and the number of terms (n) in the series. Is it possible to determine the sum of a geometric series if you are not given all of these values?

Use Find the Parameter Values to explore this problem.