document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=695716>Question 695716</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a geometric sequence, the fourth term is -4, and the eighth term is -324. What is the tenth term? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #428624 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=428624\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4th. term =-4\r<BR>\n" );
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document.write( "The nth term of a Geometric Progression is given by\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Tn+=ar%5E%28n-1%29 ALIGN=MIDDLE  ALT=\"Tn+=ar%5E%28n-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t4=ar%5E3 ALIGN=MIDDLE  ALT=\"t4=ar%5E3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-4=ar^3.................(1)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=T8++=+ar%5E7 ALIGN=MIDDLE  ALT=\"T8++=+ar%5E7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-324=ar^7...............(2)\r<BR>\n" );
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document.write( "Divide (2) by (1)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-324%2F-4%29+=+%28ar%5E7%2Far%5E3%29 ALIGN=MIDDLE  ALT=\"%28-324%2F-4%29+=+%28ar%5E7%2Far%5E3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=81=+r%5E4 ALIGN=MIDDLE  ALT=\"81=+r%5E4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "r=4\r<BR>\n" );
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document.write( "plug r=4 in (1)\r<BR>\n" );
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document.write( "-4=ar^3<BR>\n" );
document.write( "-4=a*64<BR>\n" );
document.write( "a=-1/16\r<BR>\n" );
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document.write( "t10= ar^9\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t10+=+%28-1%2F16%294%5E9 ALIGN=MIDDLE  ALT=\"t10+=+%28-1%2F16%294%5E9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "t10 =-16384 </SPAN>\n" );
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