The height y (in feet) of a ball thrown by a child is given by the equation, where x is the horizontal distance (in feet) from the starting point. What is the maximum height of the ball?

Question

anonymous · Answer

i need help

jdoe0001 · Answer

" by a child is given by the equation, where x is the horizontal"
                                                              ^
                                                what equation?

anonymous · Answer

y = - 
1
9
 x2 + 5x +3

jdoe0001 · Answer

$\bf y = \cfrac{1}{9}x^2 + 5x +3 \quad ?$

jdoe0001 · Answer

ohh ahemm, $\bf y = -\cfrac{1}{9}x^2 + 5x +3 \quad ?$

anonymous · Answer

yes

anonymous · Answer

can you help me

jdoe0001 · Answer

well, let's see, a child is throwing a ball|dw:1378580267462:dw|

so, in the graph there, what do you think, in that parabola, will be the HIGHEST point?
that is, the point at which the ball be the the highest

goformit100 · Answer

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