OpenStax, Algebra and Trigonometry 2e §4.1 Linear Functions · Example 3 · Algebra · Graphs

Finding the Slope of a Linear Function

If $f (x)$ is a linear function, and $(3, - 2)$ and $(8, 1)$ are points on the line, find the slope. Is this function increasing or decreasing?

~5 minWritten answer · check your work with Lemma

OpenStax, Algebra and Trigonometry 2e · §4.1 Linear Functions · Example 3

Stuck? A gentle nudge

No hints for this one.

Something off?

Workspace

Your working

Check your full solution

Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.

Your first check today doesn't need an account.

Your photos and PDFs are read once and not stored — only the transcription is kept.