document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1197683>Question 1197683</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given a1=3, and a5=-17 (the first and the fifth number in an arithmetic series) what's a20 (the twentieth term in the series) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #831362 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=831362\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given a1=3, and a5=-17 (the first and the fifth number in an arithmetic series) what's a20 (the twentieth term in the series)<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;\">Common difference, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%281%2C3%2C+d%2C+%22=%22%2C+%28matrix%281%2C11%2C+Value%2C+of%2C+larger%2C+term%2C+number%2C+%22-%22%2C+Value%2C+of%2C+smaller%2C+term%2C+number%29%29%2F%28matrix%281%2C7%2C+Larger%2C+term%2C+number%2C+%22-%22%2C+Smaller%2C+term%2C+number%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r\n" );
document.write( "                        <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%284%2C2%2C+%22=%22%2C+%28a%5B5%5D+-+a%5B1%5D%29%2F%285+-+1%29%2C+%22=%22%2C+%28-+17+-+3%29%2F%285+-+1%29%2C+%22=%22%2C+%28-+20%29%2F4%2C%0D%0A%22=%22%2C+-+5%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r\n" );
document.write( "\r\n" );
document.write( "                    <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;\" > ------ Formula for a specific term of an AP\r\n" );
document.write( "                   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%281%2C3%2C+a%5B20%5D%2C+%22=%22%2C+3+%2B+%2820+-+1%29-+5%29 ALIGN=MIDDLE  ALT=\"matrix%281%2C3%2C+a%5B20%5D%2C+%22=%22%2C+3+%2B+%2820+-+1%29-+5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ----- Substituting 20 for n, 3 for a<sub>1</sub>, and - 5 for d\r\n" );
document.write( "AP's 20<sup>th</sup> term, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28matrix%281%2C7%2C+a%5B20%5D%2C+%22=%22%2C+3+-+5%2819%29%2C+%22=%22%2C+3+-+95%2C+%22=%22%2C+highlight%28-+92%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ></PRE> </SPAN>\n" );
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