Geometric Series Quizmaster: Compliments of MATHguide
Review the Lesson | MATHguide homepage Updated February 12th, 2006

Status: Waiting for your answers.
Use the terms of the following infinite geometric series for the problem below:

10, -8, 6.4, -5.12, ...

What is the value of the common ratio ? r =
What is the sum of the infinite series? S =