document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=678007>Question 678007</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If a swimming pool has a perimeter of 18 meters and covers an area of 18 square meters what are its dimensions? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #421162 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=421162\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If a swimming pool has a perimeter of 18 meters and covers an area of 18 square meters what are its dimensions?<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Perimeter<BR>\n" );
document.write( "2L + 2W = 18<BR>\n" );
document.write( "simplify, divide by 2<BR>\n" );
document.write( "L + W = 9<BR>\n" );
document.write( "L = (9-W)<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Area<BR>\n" );
document.write( "L * W = 18<BR>\n" );
document.write( "replace L with (9-W)<BR>\n" );
document.write( "W(9-W) = 18<BR>\n" );
document.write( "A quadratic equation<BR>\n" );
document.write( "-W^2 + 9W - 18 = 0<BR>\n" );
document.write( "Easier to factor if coefficient of W^2 is positive, mult eq by -1<BR>\n" );
document.write( "W^2 - 9W + 18 = 0<BR>\n" );
document.write( "Factors to<BR>\n" );
document.write( "(W-3)(W-6) = 0<BR>\n" );
document.write( "Two solutions<BR>\n" );
document.write( "W = 3, then L = 6<BR>\n" );
document.write( "W = 6, then L = 3 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );