document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1117124>Question 1117124</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the following:<BR>\n" );
document.write( "a. the 25th term in the arithmetic sequence given that a1 = 4 and a2 = 9<BR>\n" );
document.write( "b. the sum of the first 60 terms of the arithmetic sequence 4, 7, 10, 13, ...... </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #735147 by </B><A HREF=/tutors/aboutme.mpl?userid=Shin123><B>Shin123(626)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Shin123><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=Shin123><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=735147\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The common difference is 9-4=5. 4 is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B1%5D ALIGN=MIDDLE  ALT=\"a%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > and 9 is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B2%5D ALIGN=MIDDLE  ALT=\"a%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > so we need to figure out what is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B25%5D ALIGN=MIDDLE  ALT=\"a%5B25%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >. 25-1=24  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2B24%285%29=a%5B25%5D ALIGN=MIDDLE  ALT=\"4%2B24%285%29=a%5B25%5D\"   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=highlight%28a%5B25%5D=124%29 ALIGN=MIDDLE  ALT=\"highlight%28a%5B25%5D=124%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > For a. Now for b. The formula for finding the first n terms of an arithmetic sequence is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n%2A%28%28a%5B1%5D%2Ba%5Bn%5D%29%2F2%29 ALIGN=MIDDLE  ALT=\"n%2A%28%28a%5B1%5D%2Ba%5Bn%5D%29%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.The 60th term is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2B59%283%29=a%5B60%5D ALIGN=MIDDLE  ALT=\"4%2B59%283%29=a%5B60%5D\"   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=4%2B177=a%5B60%5D ALIGN=MIDDLE  ALT=\"4%2B177=a%5B60%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28a%5B60%5D=181%29 ALIGN=MIDDLE  ALT=\"highlight%28a%5B60%5D=181%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Plug in the numbers,\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=60%2A%28%284%2B181%29%2F2%29=a%5B1%5D%2Ba%5B2%5D%2Ba%5B3%5D%2B... ALIGN=MIDDLE  ALT=\"60%2A%28%284%2B181%29%2F2%29=a%5B1%5D%2Ba%5B2%5D%2Ba%5B3%5D%2B...\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2Ba%5B58%5D%2Ba%5B59%5D%2Ba%5B60%5D ALIGN=MIDDLE  ALT=\"%2Ba%5B58%5D%2Ba%5B59%5D%2Ba%5B60%5D\"   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=highlight%2860%2A%28185%2F2%29=5550%29 ALIGN=MIDDLE  ALT=\"highlight%2860%2A%28185%2F2%29=5550%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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