Doing quadratic functions... help is appreciated!

A football is punted into the air. Its height h, in metres, after t seconds is given by h(t) = 1+24.5t - 4.9t^2.

A) Find the maximum height of the ball by completing the square. Round your answer to the nearest hundredth of a metre.

B) When does the ball reach its maximum height?

Guest Apr 28, 2019

#1**+1 **

A football is punted into the air. Its height h, in metres, after t seconds is given by h(t) = 1+24.5t - 4.9t^2.

A) Find the maximum height of the ball by completing the square. Round your answer to the nearest hundredth of a metre.

B) When does the ball reach its maximum height?

Omi67 Apr 28, 2019