document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1141342>Question 1141342</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the common difference d for this sequence. 7,3,-1,-5,-9\r<BR>\n" );
document.write( "\n" );
document.write( "Find a formula in simplest form, for the nth term a sub n for the sequence\r<BR>\n" );
document.write( "\n" );
document.write( "So, I know that the common difference is -4 but I do not know the formula. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #761886 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10552)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=761886\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the common difference d for this sequence. 7,3,-1,-5,-9\r<BR>\n" );
document.write( "\n" );
document.write( "Find a formula in simplest form, for the nth term a sub n for the sequence\r<BR>\n" );
document.write( "\n" );
document.write( "So, I know that the common difference is -4 but I do not know the formula.<BR>\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">Formula for specifc term of an AP: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%281%2C3%2C+a%5Bn%5D%2C+%22=%22%2C+a%5B1%5D+%2B+%28n+-+1%29d%29 ALIGN=MIDDLE  ALT=\"matrix%281%2C3%2C+a%5Bn%5D%2C+%22=%22%2C+a%5B1%5D+%2B+%28n+-+1%29d%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "                                   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28matrix%284%2C3%2C+a%5Bn%5D%2C+%22=%22%2C+7+%2B+%28n+-+1%29d%2C+a%5Bn%5D%2C+%22=%22%2C+7+%2B+%28n+-+1%29-+4%2C+a%5Bn%5D%2C+%22=%22%2C+7+-+4n+%2B+4%2C+a%5Bn%5D%2C+%22=%22%2C+-+4n+%2B+11%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > ------- Substituting <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%282%2C3%2C+7%2C+for%2C+a%5B1%5D%2C+-+4%2C+for%2C+d%29 ALIGN=MIDDLE  ALT=\"matrix%282%2C3%2C+7%2C+for%2C+a%5B1%5D%2C+-+4%2C+for%2C+d%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );