document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=213617>Question 213617</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose that a rectangle has a perimeter of 22 meters.<BR>\n" );
document.write( "Express the area A(x) of the rectangle in terms of the length<BR>\n" );
document.write( "x of one of its sides. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #161402 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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=161402\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Perimeter  =  2Length + 2 Width =22 (given)<BR>\n" );
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document.write( "divide  by  2  thruout,,,,L + W = 11,,,or  L=11-W<BR>\n" );
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document.write( "Area  =  Length * Width,,,,,,if  we  let  w=x,  and  substitute<BR>\n" );
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document.write( "A=(11-W) * (W) = (11-x) *(x) = 11x -x^2<BR>\n" );
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document.write( "or,,,,A= 11x-x^2<BR>\n" );
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document.write( "check,,,let  L=10,,W=1,,,Per = 2(10)+ 2(1) = 22,,,,ok<BR>\n" );
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document.write( "A=1*10=10,,,,,,A= 11(1)-(1)^2 = 10,,,,ok<BR>\n" );
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document.write( "For  L=9...w=2,,,,per =22 ok,,,,,A=9*2=18,,,A= 11(2)-2^ = 18,,,ok<BR>\n" );
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