# solving a word problem using a quadratic equation with irrational roots

*label*Mathematics

*timer*Asked: Apr 30th, 2015

**Question description**

could you help me set it up to get the right number for the square root cause i got -751 with positive 38 but with -38 i got 769 i confuse my signs when im supposed solve the 4*ac part

A ball is thrown from a height of

How long after the ball is thrown does it hit the ground?Round your answer(s) to the nearest hundredth.h=38−3t-5t2