document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=391759>Question 391759</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if the first term of a geometric sequence is 3/2 and the second and third terms are -3/4 and 3/8, respectively, which of the following represents the nth term of the sequence? \r<BR>\n" );
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document.write( "a) 3(-1)^n-1/2n<BR>\n" );
document.write( "b) 3(-1)^n/2n<BR>\n" );
document.write( "c) 3(-1)^n-1/2^n<BR>\n" );
document.write( "d) 3(-1)^n/2^n<BR>\n" );
document.write( "e) 3(-1)^n-1/2^n+1\r<BR>\n" );
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document.write( "please provide explanation! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #277954 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=277954\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if the first term of a geometric sequence is 3/2 and the second and third terms are -3/4 and 3/8, respectively, which of the following represents the nth term of the sequence?<BR>\n" );
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document.write( "A geometric sequence has a common ratio between consecutive terms.<BR>\n" );
document.write( "r = (-3/4)/(3/2) = -1/2<BR>\n" );
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document.write( "a(n) = ar^(n-1) = (3/2)(-1/2)^(n-1)<BR>\n" );
document.write( "a(n) = 3*(-1)^(n-1)/2^(n)<BR>\n" );
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document.write( "Ans: c<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " <BR>\n" );
document.write( "a) 3(-1)^n-1/2n<BR>\n" );
document.write( "b) 3(-1)^n/2n<BR>\n" );
document.write( "c) 3(-1)^n-1/2^n<BR>\n" );
document.write( "d) 3(-1)^n/2^n<BR>\n" );
document.write( "e) 3(-1)^n-1/2^n+1 <BR>\n" );
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