document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=772029>Question 772029</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the formula for this pattern? <BR>\n" );
document.write( "10, 9, 6, 1, -6\r<BR>\n" );
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document.write( "I understand that each number decreases by an odd number that is 2 more than the previous one, but I'm uncertain about how to write that as an algebra formula. I came up with 2n-(n+1), but it only worked for the first one. If you could explain how you got an answer, that would also be very welcome. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #470645 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=470645\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Here is something you should find:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10-9=1 ALIGN=MIDDLE  ALT=\"10-9=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10-6=4 ALIGN=MIDDLE  ALT=\"10-6=4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10-1=9 ALIGN=MIDDLE  ALT=\"10-1=9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10-%28-6%29=16 ALIGN=MIDDLE  ALT=\"10-%28-6%29=16\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Do you notice that the difference between each term and the FIRST term is a square?    (the first term is 10)\r<BR>\n" );
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document.write( "Make a data table with column headings to identify index, the term, expression for difference from 10, and expression to show how that difference is composed.\r<BR>\n" );
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document.write( "You should see, for index n, each term is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10-%28n-1%29%5E2 ALIGN=MIDDLE  ALT=\"10-%28n-1%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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