document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=855716>Question 855716</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A sequence of numbers is given below.\r<BR>\n" );
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document.write( "r, 72, 64, 56, 48, s … \r<BR>\n" );
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document.write( "(a) Find the values of r and s.\r<BR>\n" );
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document.write( "(b) Write down an expression for the nth term of the sequence. \r<BR>\n" );
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document.write( "(c) Write down the first negative term. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #515535 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</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=515535\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The common difference appears to be 8.  The sequence decreases by 8 to each consecutive term.  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=72%2B8 ALIGN=MIDDLE  ALT=\"r=72%2B8\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  The <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n%5Bth%5D ALIGN=MIDDLE  ALT=\"n%5Bth%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > term is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5Bn%5D=r%2B%28-8%29%28n-1%29 ALIGN=MIDDLE  ALT=\"a%5Bn%5D=r%2B%28-8%29%28n-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "You might try <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%2B%28-8%29%28n-1%29%3C0 ALIGN=MIDDLE  ALT=\"r%2B%28-8%29%28n-1%29%3C0\"   DISABLED_style= \"max-width:90%; height:auto;\" > to help locate which n value becomes the first negative value. </SPAN>\n" );
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