document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=458200>Question 458200</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write the explicit formula for a_n given a1=-7 and a common difference of 1/2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #314303 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=314303\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Write the explicit formula for a(n) given <BR>\n" );
document.write( "a(1)=-7 and a common difference of 1/2<BR>\n" );
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document.write( "a(n) = a(1) + (n-1)d<BR>\n" );
document.write( "---<BR>\n" );
document.write( "a(n) = -7 + (n-1)(1/2)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "a(n) = -7 + (n/2)-(1/2)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "a(n) = (-15/2) + (n/2)<BR>\n" );
document.write( "============================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "============================<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );