document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=731276>Question 731276</A>: <I><SPAN STYLE=\"word-break: break-all;\"> \"The perimeter of a rectangle is 36 m. The area is 65 m^2. Find the dimensions of the rectangle.\"\r<BR>\n" );
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document.write( "I'm supposed to use the Quadratic formula in this somehow, but I don't really understand how I get A, B, and C from this. I tried to do it, and I confused myself halfway through it. Thank you for your help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #447070 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=447070\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What are A, B, and C supposed to be?\r<BR>\n" );
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document.write( "Just use what you know about a rectangle and the given information about the problem.  \r<BR>\n" );
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document.write( "Let's say w = width of the rectangle and h = height of the rectangle.<BR>\n" );
document.write( "Perimeter is 2w+2h=36.<BR>\n" );
document.write( "Area is wh=65.\r<BR>\n" );
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document.write( "Pick one of the equations, any one of them.  Solve for one of the variables, w or h; it does not matter which.  Substitute that formula into the other equation.  Now you should have what will be a quadratic equation.  You may need to simplify it before using it.  \r<BR>\n" );
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document.write( "A possible way to go,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2h%2B2w=36 ALIGN=MIDDLE  ALT=\"2h%2B2w=36\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2h=36-2w ALIGN=MIDDLE  ALT=\"2h=36-2w\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h=18-w. ALIGN=MIDDLE  ALT=\"h=18-w.\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=wh=65 ALIGN=MIDDLE  ALT=\"wh=65\"   DISABLED_style= \"max-width:90%; height:auto;\" >, to continue starting with area relationship<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w%2818-w%29=65 ALIGN=MIDDLE  ALT=\"w%2818-w%29=65\"   DISABLED_style= \"max-width:90%; height:auto;\" >, substituting what was found for h<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=18w-w%5E2=65 ALIGN=MIDDLE  ALT=\"18w-w%5E2=65\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-w%5E2%2B1w8=65 ALIGN=MIDDLE  ALT=\"-w%5E2%2B1w8=65\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-w%5E2%2B18w-65=0 ALIGN=MIDDLE  ALT=\"-w%5E2%2B18w-65=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28w%5E2-18w%2B65=0%29 ALIGN=MIDDLE  ALT=\"highlight%28w%5E2-18w%2B65=0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "You can certainly use the general solution to quadratic formula if you want to but that polynomial seems factorable.  I will use quadratic formula solution.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w+=+%2818%2Bsqrt%2818%5E2-4%2A65%29%29%2F2 ALIGN=MIDDLE  ALT=\"w+=+%2818%2Bsqrt%2818%5E2-4%2A65%29%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=%2818%2Bsqrt%2864%29%29%2F2 ALIGN=MIDDLE  ALT=\"w=%2818%2Bsqrt%2864%29%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=%2818%2B8%29%2F2 ALIGN=MIDDLE  ALT=\"w=%2818%2B8%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28w=13%29 ALIGN=MIDDLE  ALT=\"highlight%28w=13%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OR<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=%2818-sqrt%2818%5E2-4%2A65%29%29%2F2 ALIGN=MIDDLE  ALT=\"w=%2818-sqrt%2818%5E2-4%2A65%29%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=%2818-8%29%2F2 ALIGN=MIDDLE  ALT=\"w=%2818-8%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28w=5%29 ALIGN=MIDDLE  ALT=\"highlight%28w=5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "That was for w.  You can then use either the perimeter equation or the area equation to find h.\r<BR>\n" );
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document.write( "postnote:  You probably meant Ax^2+Bx+C=0 when you mentioned some confusion about \"A, B, and C\". </SPAN>\n" );
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