OpenStax, Elementary Algebra 2e §4.5 Use the Slope-Intercept Form of an Equation of a Line · Try It 31 · Algebra · Graphs

Use the Slope-Intercept Form of an Equation of a Line · Try It 31

Use slopes to determine if the lines $5 x + 4 y = 1$ and $4 x + 5 y = 3$ are perpendicular.

~5 minWritten answer · compare with the solution

OpenStax, Elementary Algebra 2e · §4.5 Use the Slope-Intercept Form of an Equation of a Line · Try It 31

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.