document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=139689>Question 139689</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ethel tosses a softball upward. When the ball leaves her hand 5 feet above the ground it has an initial upaward velocity of 66 feet per second. How high can Ethel toss the ball?\r<BR>\n" );
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document.write( "HeLP! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #101868 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=101868\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ethel tosses a softball upward. When the ball leaves her hand 5 feet above the ground it has an initial upward velocity of 66 feet per second. How high can Ethel toss the ball?<BR>\n" );
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document.write( "Using the equation h = -16t^2 + 66t + 5; find the axis of symmetry (x=-b/(2a):<BR>\n" );
document.write( "t = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-66%29%2F%282%2A-16%29 ALIGN=MIDDLE  ALT=\"%28-66%29%2F%282%2A-16%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "t = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-66%29%2F%28-32%29 ALIGN=MIDDLE  ALT=\"%28-66%29%2F%28-32%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "t = 2.0625 sec, when the ball reaches max height<BR>\n" );
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document.write( "Substitute 2.0625 in the equation to find h:<BR>\n" );
document.write( "h = -16(2.0625^2) + 66(2.0625) + 5;<BR>\n" );
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document.write( "h = -16(4.2539) + 136.125 + 5<BR>\n" );
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document.write( "h = -68.0625 + 141.125<BR>\n" );
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document.write( "h = 73 ft max height of the ball<BR>\n" );
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