document.write( "Question 635476: A ball is tossed from a window that is 10 feet off the ground. The height, h (in feet), of the ball at any time, t (in seconds), is given by the equation h = - 16 t^2 + 12x + 10. What is the maximum height (in feet) that the ball will reach? \n" ); document.write( "

Algebra.Com's Answer #400356 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "Note: the vertex form of a Parabola opening up(a>0) or down(a<0),  
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document.write( "where(h,k) is the vertex  and  x = h  is the Line of Symmetry
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document.write( "h = - 16 t^2 + 12x + 10 
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document.write( "h = -16(x - 3/8) + 16(9/64) + 10 
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document.write( "h = -16(x - 3/8) + 9/4 + 40/4    \ parabola opening Downward  a = -16 < 0
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document.write( "h = -16(x - 3/8) + 49/4  Vmax(3/8, 12.25)
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document.write( "12.25 ft the maximum height that the ball will reach\r
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