Algebra II Recipe: Geometric Series

1. geometric series - the expression formed by adding the terms of a geometric sequence.

1. Use S_n = [(1 - rⁿ)/(1 - r)], S_n is the sum of the first n terms.
2. Substitute the n, a, and r values into S_n = [(1 - rⁿ)/(1 - r)].
3. Simplify to find the sum.