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What is it you wish to find?

quadratic equation.. it's not that hard..

Theres nothing to solve though

The equation for this fountain is: y=-16x2+91x+312
How Long Will the Water Remain in the Air?

Basically, find the coordinates of the two x intercepts.

idk how

oops right.. indeed there's anything to solve..

-16x2+91x+312
will this factor???

idk im stuck on it

no - it won't factor into whole numbered terms

if y = 0 you can solve it using the quadratic formula- it will give two real solutions

http://www.wolframalpha.com/input/?i=+y%3D-16x%5E2+%2B+91x+%2B+312