SOLUTION: A pebble is tossed into the air from the top of a cliff. Its path is modeled by the equation y=−16x^2+32x+80. what is the maximum height reached by the pebble?

Question 1170037: A pebble is tossed into the air from the top of a cliff. Its path is modeled by the equation y=−16x^2+32x+80.
what is the maximum height reached by the pebble?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
y=−16x^2+32x+80.
maximum height is the vertex
vertex x value is -b/2a or -32/-32=x=1 second
y(1)=-16+32+80=96 units

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