OpenStax, Algebra and Trigonometry 2e §13.2 Arithmetic Sequences · Try It 4 · Probability · Counting & chance

Arithmetic Sequences · Try It 4

Given $a_{3} = 7$ and $a_{5} = 17$ , find $a_{2}$ .

~5 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §13.2 Arithmetic Sequences · Try It 4

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.