A ball is thrown off the roof of the school. It’s path can be described by the equation h(t)=-2t^2+8t +10+80+10 where h is height in metres after t seconds. (a) how tall is the building. (b) when does the ball hit the ground. (c) what is the maximum height the ball reaches. (d) how long does it take the ball to reach maximum height

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter9: Quadratic Functions And Equations
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A ball is thrown off the roof of the school. It’s path can be described by the equation h(t)=-2t^2+8t +10+80+10 where h is height in metres after t seconds. (a) how tall is the building. (b) when does the ball hit the ground. (c) what is the maximum height the ball reaches. (d) how long does it take the ball to reach maximum height

 

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