SOLUTION: I need help on this new form of equation that we're learning in school that I still don't understand. It evidently has something to do with parabolas. Here's the problem: In fir

Question 277762: I need help on this new form of equation that we're learning in school that I still don't understand. It evidently has something to do with parabolas. Here's the problem:
In firefighting, a good water stream can be modeled by:
y=-0.003x^2 + 0.62x + 3
where x is the water's horizontal distance traveled (in feet) and y is its corresponding height (in feet). If a firefighter is aiming a good water stream at a building's window 25 feet above the ground, at what two distances can the firefighter stand from the building?
Please help me. I have no idea where to even start.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
25 will be y the height
so plug in 25 for y and find x
(x-161.165) (x-45.5022) = 0
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