SOLUTION: Jane can kick a soccer ball with a path modelled by h=-(x-19)^2+17, where h is the height of the soccer ball and x is the distance the soccer ball is kicked. Both distances are me

Question 1118687: Jane can kick a soccer ball with a path modelled by h=-(x-19)^2+17, where h is the height of the soccer ball and x is the distance the soccer ball is kicked. Both distances are measured in metres. How far was the ball kicked?
Thank you
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.

Both the starting point and the ending point are located at the roots of the quadratic equation


h = 0 = - = 0,     or


 = 17,


 = +/-.


The difference (= the distance) between the roots   =   and   =   is   = 8.248 meters  (approximately).


Answer.  8.248 meters  (approximately).

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