document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=898081>Question 898081</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The length and the width of a rectangular floor a m and b m. Solve for a and b, given the following <BR>\n" );
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document.write( "• If the length and the width each increases with 1 m, the area will increase with 9 m^2.<BR>\n" );
document.write( "• If the length decreases with 0.5 m and the width increases with 4 m, the area is doubled.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #544525 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=544525\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=ab ALIGN=MIDDLE  ALT=\"A=ab\"   DISABLED_style= \"max-width:90%; height:auto;\" > for original area.\r<BR>\n" );
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document.write( "First Part:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28a%2B1%29%28b%2B1%29=%28A%2B9%29 ALIGN=MIDDLE  ALT=\"%28a%2B1%29%28b%2B1%29=%28A%2B9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28a%2B1%29%28b%2B1%29=ab%2B9 ALIGN=MIDDLE  ALT=\"%28a%2B1%29%28b%2B1%29=ab%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ab%2Ba%2Bb%2Bb%5E2=ab%2B9 ALIGN=MIDDLE  ALT=\"ab%2Ba%2Bb%2Bb%5E2=ab%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%2Bb%2Bb%5E2=9 ALIGN=MIDDLE  ALT=\"a%2Bb%2Bb%5E2=9\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Second Part:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28a-0.5%29%28b%2B4%29=2A ALIGN=MIDDLE  ALT=\"%28a-0.5%29%28b%2B4%29=2A\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28a-1%2F2%29%28b%2B4%29=2ab ALIGN=MIDDLE  ALT=\"%28a-1%2F2%29%28b%2B4%29=2ab\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ab-b%2F2%2B4a-2=2ab ALIGN=MIDDLE  ALT=\"ab-b%2F2%2B4a-2=2ab\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-b%2F2%2B4a-2=ab ALIGN=MIDDLE  ALT=\"-b%2F2%2B4a-2=ab\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4a-b%2F2-2=ab ALIGN=MIDDLE  ALT=\"4a-b%2F2-2=ab\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8a-b-4=2ab ALIGN=MIDDLE  ALT=\"8a-b-4=2ab\"   DISABLED_style= \"max-width:90%; height:auto;\" >----- can this be solved for a in terms of b?<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8a-b-4-2ab=0 ALIGN=MIDDLE  ALT=\"8a-b-4-2ab=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8a-2ab=b%2B4 ALIGN=MIDDLE  ALT=\"8a-2ab=b%2B4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%288-2b%29=4 ALIGN=MIDDLE  ALT=\"a%288-2b%29=4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=4%2F%288-2b%29 ALIGN=MIDDLE  ALT=\"a=4%2F%288-2b%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Using First Part, solve that one for a.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=9-b-b%5E2 ALIGN=MIDDLE  ALT=\"a=9-b-b%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Equate the formulas for a.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F%288-2b%29=9-b-b%5E2 ALIGN=MIDDLE  ALT=\"4%2F%288-2b%29=9-b-b%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4=%288-2b%29%289-b-b%5E2%29 ALIGN=MIDDLE  ALT=\"4=%288-2b%29%289-b-b%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4=72-8b-8b%5E2-18b%2B2b%5E2%2B2b%5E3 ALIGN=MIDDLE  ALT=\"4=72-8b-8b%5E2-18b%2B2b%5E2%2B2b%5E3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2b%5E3-6b%5E2-26b%2B68=0 ALIGN=MIDDLE  ALT=\"2b%5E3-6b%5E2-26b%2B68=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_green%28b%5E3-3b%5E2-13b%2B34=0%29 ALIGN=MIDDLE  ALT=\"highlight_green%28b%5E3-3b%5E2-13b%2B34=0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "From that, try rational roots theorem testing for roots of 1, 2, 17; and I doubt that 34 would be any use.\r<BR>\n" );
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document.write( "(Intentionally unfinished) </SPAN>\n" );
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