document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=812207>Question 812207</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A gardener is putting a wire fence along the edge of his garden to keep animals from eating his plants. If he has 20 meters of fence what is the largest rectangular area he can enclose? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #489300 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=489300\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A gardener is putting a wire fence along the edge of his garden to keep animals from eating his plants. If he has 20 meters of fence what is the largest rectangular area he can enclose?<BR>\n" );
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document.write( "let x=length of rectangular area<BR>\n" );
document.write( "20-x=width of rectangular area<BR>\n" );
document.write( "Area=length*width<BR>\n" );
document.write( "A=x(20-x)=20x-x^2<BR>\n" );
document.write( "complete the square<BR>\n" );
document.write( "A=-(x^2-20x+100)+100<BR>\n" );
document.write( "A=-(x-10)^2+100<BR>\n" );
document.write( "This is an equation of a parabola that opens down with maximum at (10,100)<BR>\n" );
document.write( "largest rectangular area gardener can enclose=100 m^2 </SPAN>\n" );
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