document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=21832>Question 21832</A>: <I><SPAN STYLE=\"word-break: break-all;\"> number pattern problem:\r<BR>\n" );
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document.write( "12,-4,4/3,-4/9,...<BR>\n" );
document.write( "Find the next two<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #11723 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=11723\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The pattern to find the next number is to divide a given number by -3, or perhaps it would be better to think of multiplying by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-1%2F3 ALIGN=MIDDLE  ALT=\"-1%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  This is called a Geometric Progression (or Series), where there is a common ratio from one number to the next.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-4%29%2A%28-1%2F3%29=+4%2F3 ALIGN=MIDDLE  ALT=\"%28-4%29%2A%28-1%2F3%29=+4%2F3\"   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=+%28-4%2F9%29%2A%28-1%2F3%29+=+4%2F27 ALIGN=MIDDLE  ALT=\"+%28-4%2F9%29%2A%28-1%2F3%29+=+4%2F27\"   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=+%284%2F27%29%2A%28-1%2F3%29+=+-4%2F81+ ALIGN=MIDDLE  ALT=\"+%284%2F27%29%2A%28-1%2F3%29+=+-4%2F81+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "R^2 at SCC </SPAN>\n" );
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