EasyQuadratics

OpenStax, Elementary Algebra 2e §10.5 Graphing Quadratic Equations in Two Variables · Exercise 44 · Algebra · Quadratics

Graphing Quadratic Equations in Two Variables · Exercise 44

Solve. Round answers to the nearest tenth.

A retailer who sells backpacks estimates that, by selling them for $x$ dollars each, he will be able to sell $100 - x$ backpacks a month. The quadratic equation $R = - x^{2} + 100 x$ is used to find the $R$ received when the selling price of a backpack is $x$ . Find the selling price that will give him the maximum revenue, and then find the amount of the maximum revenue.

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

~5 minWritten answer · compare with the solution

OpenStax, Elementary Algebra 2e · §10.5 Graphing Quadratic Equations in Two Variables · Exercise 44

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.