OpenStax, Contemporary Mathematics §5.6 Quadratic Equations In One Variable with Applications · Example 11 · Algebra · Quadratics

Quadratic Equations In One Variable with Applications · Example 11

Solve using the quadratic formula: $2 x^{2} + 9 x - 5 = 0$ .

~5 minWritten answer · compare with the solution

OpenStax, Contemporary Mathematics · §5.6 Quadratic Equations In One Variable with Applications · Example 11

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.