document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1077442>Question 1077442</A>: <I><SPAN STYLE=\"word-break: break-all;\">  A college is planning to construct a rectangular parking lot on land bordered on one side by a highway. The plan is to use 400 feet of fencing to fence off the other three sides. What dimensions should the lot I have if the enclosed area is to be a maximum?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #691917 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=691917\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x, distance from highway to side opposite of the highway<BR>\n" );
document.write( "y, distance of the side parallel to but opposite of the highway\r<BR>\n" );
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document.write( "Fence length to use, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%2By=400 ALIGN=MIDDLE  ALT=\"2x%2By=400\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Area to hold, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=xy ALIGN=MIDDLE  ALT=\"xy\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Area, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%28x%29=x%28400-2x%29 ALIGN=MIDDLE  ALT=\"A%28x%29=x%28400-2x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Parabola shape and equation <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%28x%29=x%28400-2x%29 ALIGN=MIDDLE  ALT=\"A%28x%29=x%28400-2x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, with vertex as the maximum point.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%28400-2x%29=0 ALIGN=MIDDLE  ALT=\"x%28400-2x%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > gives the roots<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%28200-x%29=0 ALIGN=MIDDLE  ALT=\"x%28200-x%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28Roots%2Cx=0%2Cand%2Cx=200%29 ALIGN=MIDDLE  ALT=\"system%28Roots%2Cx=0%2Cand%2Cx=200%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Maximum A will be at x=100, exactly in the middle of the roots.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%2By=400 ALIGN=MIDDLE  ALT=\"2x%2By=400\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=400-2x ALIGN=MIDDLE  ALT=\"y=400-2x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=400-2%2A100 ALIGN=MIDDLE  ALT=\"y=400-2%2A100\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=400-200 ALIGN=MIDDLE  ALT=\"y=400-200\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=200 ALIGN=MIDDLE  ALT=\"y=200\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Dimensions for maximum area:<BR>\n" );
document.write( "100 and 200<BR>\n" );
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document.write( "Two sides 100 and one side 200. </SPAN>\n" );
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