document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=87254>Question 87254</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0072549017/algebrahomeworkh>Beginning Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> The demand equation for a certain type of printer is given by<BR>\n" );
document.write( "                                D = -200p + 35,000<BR>\n" );
document.write( "The supply equation is predicted to be<BR>\n" );
document.write( "                                 S = -p square + 400p - 20,000<BR>\n" );
document.write( "Find the equilibraum price </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #63215 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=63215\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Not too sure what the equilibrium price is ie how to get it. I am assuming that it is where both equations are the same. If this is true then:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+D+=+-200p+%2B+35000+ ALIGN=MIDDLE  ALT=\"+D+=+-200p+%2B+35000+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+S+=+-p%5E2+%2B+400p+-+20000+ ALIGN=MIDDLE  ALT=\"+S+=+-p%5E2+%2B+400p+-+20000+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "so when these are equal:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-200p+%2B+35000+=+-p%5E2+%2B+400p+-+20000+ ALIGN=MIDDLE  ALT=\"+-200p+%2B+35000+=+-p%5E2+%2B+400p+-+20000+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p%5E2+-+600p+%2B+55000+=+0+ ALIGN=MIDDLE  ALT=\"+p%5E2+-+600p+%2B+55000+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+=+%28-b+%2B-+sqrt%28b%5E2+-+4ac%29+%29%2F%282a%29+ ALIGN=MIDDLE  ALT=\"+p+=+%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=+p+=+%28-%28-600%29+%2B-+sqrt%28%28-600%29%5E2+-+4%281%29%2855000%29%29+%29%2F%282%281%29%29+ ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+=+%28600+%2B-+sqrt%28360000-220000%29+%29%2F%282%29+ ALIGN=MIDDLE  ALT=\"+p+=+%28600+%2B-+sqrt%28360000-220000%29+%29%2F%282%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+=+%28600+%2B-+sqrt%28140000%29+%29%2F%282%29+ ALIGN=MIDDLE  ALT=\"+p+=+%28600+%2B-+sqrt%28140000%29+%29%2F%282%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+=+%28600+%2B-+374.17+%29%2F%282%29+ ALIGN=MIDDLE  ALT=\"+p+=+%28600+%2B-+374.17+%29%2F%282%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "so <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+=+%28600+%2B+374.17+%29%2F%282%29+ ALIGN=MIDDLE  ALT=\"+p+=+%28600+%2B+374.17+%29%2F%282%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+=+%28600+-+374.17+%29%2F%282%29+ ALIGN=MIDDLE  ALT=\"+p+=+%28600+-+374.17+%29%2F%282%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "so <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+=+%28974.17%29%2F%282%29+ ALIGN=MIDDLE  ALT=\"+p+=+%28974.17%29%2F%282%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+=+%28225.83%29%2F%282%29+ ALIGN=MIDDLE  ALT=\"+p+=+%28225.83%29%2F%282%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "p = 487.1 or 112.9\r<BR>\n" );
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document.write( "Now this gives 2 valid answers so i am not too sure whether i have given you the correct method. Sorry.\r<BR>\n" );
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document.write( "cheers<BR>\n" );
document.write( "Jon<BR>\n" );
document.write( " </SPAN>\n" );
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