document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=980366>Question 980366</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If b is positive, what is the value of b in the geometric sequence 9,a,4,b? Express your answer as a common fraction. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #601514 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=601514\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> r, common ratio.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F9=r%5E2 ALIGN=MIDDLE  ALT=\"4%2F9=r%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and then <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9r%5E3=b ALIGN=MIDDLE  ALT=\"9r%5E3=b\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "You can finish from the term at index 1 or from the term at index 3.  You want the POSITIVE value for r.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5E2=4%2F9 ALIGN=MIDDLE  ALT=\"r%5E2=4%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=0%2B-+2%2F3 ALIGN=MIDDLE  ALT=\"r=0%2B-+2%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=2%2F3 ALIGN=MIDDLE  ALT=\"r=2%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Easiest enough to continue from index of term 3.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2A%282%2F3%29=highlight%288%2F3=t%5B4%5D%29=b ALIGN=MIDDLE  ALT=\"4%2A%282%2F3%29=highlight%288%2F3=t%5B4%5D%29=b\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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