document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=909853>Question 909853</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Which one of the following is a geometric sequence?<BR>\n" );
document.write( "A. 2, <BR>\n" );
document.write( "–3, 9&#8260;2, &#8722;18&#8260;4<BR>\n" );
document.write( "B. 0, 1, 2, 3, . . .<BR>\n" );
document.write( "C. 8, 4, 2, 1, 1&#8260;2, 1&#8260;4, . . .<BR>\n" );
document.write( "D.<BR>\n" );
document.write( "–7, 10, 23, 36, . . . </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #552060 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=552060\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Which one of the following is a geometric sequence?<BR>\n" );
document.write( " A. 2,–3, 9&#8260;2, &#8722;18&#8260;4<BR>\n" );
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document.write( "Testing for \"r\":: -3/2 = -1.5 ; (9/2)/-3 = -3/2 ; (-18/4)/(9/2) = -2<BR>\n" );
document.write( "Ans: inconsistent \"r\" ; so not geometric<BR>\n" );
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document.write( " B. 0, 1, 2, 3, . . .<BR>\n" );
document.write( "Testing for \"r\":: 1/0 = undefined<BR>\n" );
document.write( "Ans: undefined \"r\":: so not geometric<BR>\n" );
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document.write( " C. 8, 4, 2, 1, 1&#8260;2, 1&#8260;4, . . .<BR>\n" );
document.write( "Testing shows r = 1/2 ; so it is geometric<BR>\n" );
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document.write( " D. –7, 10, 23, 36, . . .<BR>\n" );
document.write( "Testing:: 10/-7 ; 23/10 ; 36/23<BR>\n" );
document.write( "Ans: inconsistent \"r\": so not geometric<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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