OpenStax, Intermediate Algebra 2e §12.3 Geometric Sequences and Series · Example 1 · Algebra · Binomial theorem

Geometric Sequences and Series · Example 1

Determine if each sequence is geometric. If so, indicate the common ratio.
ⓐ $4, 8, 16, 32, 64, 128, \dots$
ⓑ $- 2, 6, - 12, 36, - 72, 216, \dots$
ⓒ $27, 9, 3, 1, \frac{1}{3}, \frac{1}{9}, \dots$

~5 minWritten answer · compare with the solution

OpenStax, Intermediate Algebra 2e · §12.3 Geometric Sequences and Series · Example 1

Stuck? A gentle nudge

No hints for this one.

Something off?

Workspace

Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.