document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=77692>Question 77692</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need some help with this question- I missed the unit lesson and I am having trouble getting the answer.  \r<BR>\n" );
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document.write( "Given that in an arithmetic sequence t3=-2 and t7=-5, what is the formula for the nth term tn? what is the value of t11\r<BR>\n" );
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document.write( "Thanks so much </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #55768 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=55768\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> an arithmetic sequence means that the difference (d) between consecutive terms is a constant\r<BR>\n" );
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document.write( "t3 and t7 are four terms apart so they are 4d apart...4d=-3...d=-3/4\r<BR>\n" );
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document.write( "to find any term in the sequence, you just multiply the number of the term minus 1 (n-1) by d and add it to the first term (t1)\r<BR>\n" );
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document.write( "tn=t1+(n-1)d...in this problem, t1=t3-2d...or t1=-1/2...so tn=(-1/2)+(n-1)d...so t11=(-1/2)+10(-3/4)...or t11=-8 </SPAN>\n" );
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