OpenStax, Contemporary Mathematics §3.10 Arithmetic Sequences · Example 1 · Algebra · Sequences & series

Arithmetic Sequences · Example 1

Determine if the following sequences are arithmetic sequences. Explain your reasoning.

(a) ${4, 7, 10, 13, 16, 19, 22, 25, ...}$
(b) ${20, 40, 80, 160, 320, 640}$
(c) ${7, 1, - 5, - 11, - 17, - 23, - 29, - 34, - 40}$

~5 minWritten answer · compare with the solution

OpenStax, Contemporary Mathematics · §3.10 Arithmetic Sequences · 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.