Lemma
MediumQuadratics
OpenStax, Intermediate Algebra 2e §9.8 Solve Quadratic Inequalities · Review Exercise 110 · Algebra · Quadratics

Solve Quadratic Inequalities · Review Exercise 110

Solve by using the method of factoring, the square root principle, or the Quadratic Formula. Round your answers to the nearest tenth, if needed.

A ball is thrown vertically in the air with a velocity of 160 ft/sec. Use the formula h = −16t^2 + v_0t to determine when the ball will be 384 feet from the ground. Round to the nearest tenth.

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

~8 minWritten answer · compare with the solution

OpenStax, Intermediate Algebra 2e · §9.8 Solve Quadratic Inequalities · Review Exercise 110

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.