document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1013064>Question 1013064</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If two points of a coordinate system are (a,b) and (c,d) and the point that divides the line which joins the two points in 3:2 ratio is (p,q),\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=p+=+%282a+%2B+3c%29%2F%283%2B2%29 ALIGN=MIDDLE  ALT=\"p+=+%282a+%2B+3c%29%2F%283%2B2%29\"   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=q+=+%282b+%2B+3d%29%2F%283%2B2%29 ALIGN=MIDDLE  ALT=\"q+=+%282b+%2B+3d%29%2F%283%2B2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "is the formula to find p and q.\r<BR>\n" );
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document.write( "My question is since these formulas are proof in plus coordinates (+a,+b) (+c,+d), how does the formula give the correct answer even when (-a,+b) (+c,+d) (When one coordinate is minus).\r<BR>\n" );
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document.write( "I get it.. when we substitute the correct signs of coordinates to the formula, we get the answer. I want to know how does it happen. Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #629419 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=629419\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There is nothing special about negative coordinates.<BR>\n" );
document.write( "They are negative because we set a zero in an arbitrary place,<BR>\n" );
document.write( "and arbitrarily decided to what side of that zero we would call the numbers negative numbers.<BR>\n" );
document.write( "Your negative numbers are not negative if you set the zero far enough to the negative side.<BR>\n" );
document.write( "You can move the coordinate axis so that every coordinate you are using is positive, and the distances and relative positions from one point to another will not change.<BR>\n" );
document.write( "You could even flip one or both axes around to point in the opposite direction, and distances and relative positions of those points would not change.<BR>\n" );
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document.write( "Why the formula is like that is a different story. </SPAN>\n" );
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