document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=82644>Question 82644</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Find the sum of the first 10 terms of the series defined by the formula: \r<BR>\n" );
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document.write( "an = -2n + 5  <BR>\n" );
document.write( " a.   3  <BR>\n" );
document.write( "  b. 2  <BR>\n" );
document.write( "   c.-60  <BR>\n" );
document.write( "  d. -15  <BR>\n" );
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document.write( "A 5 inch spike is being pounded in to a log. Every time you hit the hammer 1/4 of the remaining spike goes into the log. What kind of sequence or series is definied by the total distance the spike goes into the log?  <BR>\n" );
document.write( "  a.  arithmetic sequence  <BR>\n" );
document.write( "  b. arithmetic series  <BR>\n" );
document.write( "  c. geometric sequence  <BR>\n" );
document.write( "   d.geometric series  <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #59291 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=59291\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the sum of the first 10 terms of the series defined by the formula: <BR>\n" );
document.write( "a(n) = -2n + 5 <BR>\n" );
document.write( "-7,-9,-11,.....,-25<BR>\n" );
document.write( "S(10) = 10/2(-7+-25)<BR>\n" );
document.write( "S(10) = 5(-32)<BR>\n" );
document.write( "s(10) = -160<BR>\n" );
document.write( "a. 3 <BR>\n" );
document.write( "b. 2 <BR>\n" );
document.write( "c.-60 <BR>\n" );
document.write( "d. -15 <BR>\n" );
document.write( "Comment: Check your problem again.<BR>\n" );
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document.write( "A 5 inch spike is being pounded in to a log. Every time you hit the hammer 1/4 of the remaining spike goes into the log. What kind of sequence or series is definied by the total distance the spike goes into the log? \r<BR>\n" );
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document.write( "5, 5(1/4), 5(1/5)^2, 5(1/4)^3,....<BR>\n" );
document.write( "Total distance in = 5^(1/4)^n where n=# of hammer strikes.\r<BR>\n" );
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document.write( "Geometric with a(1)=5 and r=(1/4)\r<BR>\n" );
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document.write( "a. arithmetic sequence <BR>\n" );
document.write( "b. arithmetic series <BR>\n" );
document.write( "c. geometric sequence <BR>\n" );
document.write( "d.geometric series \r<BR>\n" );
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document.write( "===================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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