document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1178482>Question 1178482</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine whether or not the sequence is geometric. If it is, find the common ratio r. (If an answer does not exist, enter DNE.)\r<BR>\n" );
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document.write( "4, −6, 9, − 27/2, . . .<BR>\n" );
document.write( " r= </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #807761 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=807761\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4, −6, 9, − 27/2, . . .\r<BR>\n" );
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document.write( "a2/a1 = -6/4 = -3/2\r<BR>\n" );
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document.write( "a3/a2= 9/-6=-3/2\r<BR>\n" );
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document.write( "a4/a3 = (-27/2)/9= -3/2\r<BR>\n" );
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document.write( "r ==3/2 it is a geometric progression </SPAN>\n" );
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