document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=177832>Question 177832</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Quadratic Equations<BR>\n" );
document.write( "20) The perimeter of a rectangle is 8m and its area is 2m^2. Find the length and width of the rectangle to the nearest tenth of a metre.<BR>\n" );
document.write( "Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #132825 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=132825\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A) L*w=2<BR>\n" );
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document.write( "2L+2w=8<BR>\n" );
document.write( "L+w=4 divide equation by 2.<BR>\n" );
document.write( "L=4-w<BR>\n" );
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document.write( "A) w(4-w)=2<BR>\n" );
document.write( "4w-w^2=2<BR>\n" );
document.write( "w^2-4w+2=0<BR>\n" );
document.write( "w^2-4w  =-2<BR>\n" );
document.write( "w^2-4w+4=-2+4 complete the square<BR>\n" );
document.write( "(w-2)^2=2<BR>\n" );
document.write( "w-2=+-sqrt(2)<BR>\n" );
document.write( "w=2+-sqrt(2)<BR>\n" );
document.write( "w=2+sqrt(2), L=2-sqrt(2) or vice versa<BR>\n" );
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document.write( "Ed\r<BR>\n" );
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