OpenStax, Algebra and Trigonometry 2e §2.5 Quadratic Equations · Exercise 64 · Algebra · Quadratics

Quadratic Equations · Exercise 64

Abercrombie and Fitch stock had a price given as $P = 0.2 t^{2} - 5.6 t + 50.2,$ where $t$ is the time in months from 1999 to 2001. ( $t = 1$ is January 1999). Find the two months in which the price of the stock was $30.

Its source prints no answer for this problem, so there's nothing to check against.

~11 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §2.5 Quadratic Equations · Exercise 64

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.