document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=515173>Question 515173</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectangular pond's length is twice its width. The pond is surrounded on all sides by a three foot wide garden.<BR>\n" );
document.write( " A) write a function, A(x), for the area of the pond including the sidewalk,IN TERMS OF THE WIDTH OF THE POND.<BR>\n" );
document.write( " B) if the total area (including the garden)is 99 square feet, what are the dimensions of the pond? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #343820 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=343820\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> width =x<BR>\n" );
document.write( "length =2x\r<BR>\n" );
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document.write( "side walk = 3 ft\r<BR>\n" );
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document.write( "width including sidewalk = x+6<BR>\n" );
document.write( "length including sidewalk = 2x+6\r<BR>\n" );
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document.write( "Area = L*W<BR>\n" );
document.write( "Area = (x+6)(2x+6)<BR>\n" );
document.write( "A(x) = 2x^2+18x+36 <BR>\n" );
document.write( "----<BR>\n" );
document.write( "2x^2+18x+36 =99\r<BR>\n" );
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document.write( "2x^2+18x+36-99=0\r<BR>\n" );
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document.write( "2x^2+18x-63=0\r<BR>\n" );
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document.write( "Find the roots of the equation by quadratic formula						<BR>\n" );
document.write( "						<BR>\n" );
document.write( "a=	2	,b=	18	,c=	-63	<BR>\n" );
document.write( "						<BR>\n" );
document.write( "b^2-4ac=	324	+	504			<BR>\n" );
document.write( "b^2-4ac=	828					<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29 ALIGN=MIDDLE  ALT=\"x=%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >						<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x1=%28-b%2Bsqrt%28b%5E2-4ac%29%29%2F%282a%29 ALIGN=MIDDLE  ALT=\"x1=%28-b%2Bsqrt%28b%5E2-4ac%29%29%2F%282a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >						<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x1=%28-12%2B21%29%2F%284%29 ALIGN=MIDDLE  ALT=\"x1=%28-12%2B21%29%2F%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >						<BR>\n" );
document.write( "x1=(	-18	+	28.77	)/	4	<BR>\n" );
document.write( "x1=	2.69					<BR>\n" );
document.write( "x2=(	-18	-28.77	) /	4		<BR>\n" );
document.write( "x2= 	-11.69					<BR>\n" );
document.write( "Ignore negative value\r<BR>\n" );
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document.write( "Dimensions of pool						\r<BR>\n" );
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document.write( "width = 2.69 ft<BR>\n" );
document.write( "length = 5.38 ft\r<BR>\n" );
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document.write( "m.ananth@hotmail.ca\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );