document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1026154>Question 1026154</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Hitting the baseball over the lights \r<BR>\n" );
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document.write( "Meanwhile at the ballpark Juan was practicing his hitting while talking to the girls<BR>\n" );
document.write( "standing around watching. He started telling them how he hit the ball over the 50 foot<BR>\n" );
document.write( "light tower yesterday. The girls were unsure that he really did that.\r<BR>\n" );
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document.write( "The formula for this hit is: H(x)=-16x^2+60x+4 where h is the height of the ball and x is the number of seconds the ball is in the air.\r<BR>\n" );
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document.write( " How high did Juan actually hit the ball? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #641421 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=641421\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> H(x) = -16x^2 +60x +4<BR>\n" );
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document.write( "This is a parabola that opens downward<BR>\n" );
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document.write( "The x value for the max height is given by the following formula<BR>\n" );
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document.write( "x = -b/2a = -60 / (2*(-16) = 1.875<BR>\n" );
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document.write( "now substitute for x in the H(x) formula<BR>\n" );
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document.write( "-16*(1.875)^2 + 60*(1.875) + 4 = 60.25<BR>\n" );
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document.write( "Juan hit the ball 60.25 feet high<BR>\n" );
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