document.write( "Question 332434: find the 9th term og the geometric sequence\r
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Algebra.Com's Answer #238230 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
-8/9, -8/3, -8
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document.write( "To find the common ratio r, we divide the 2nd term by the 1st term:\r\n" );
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document.write( "\"-8%2F3\"\"%22%F7%22\"\"-8%2F9\"\"%22%22=%22%22\"\"-8%2F3\"\"%22%22%2A%22%22\"\"-9%2F8\"\"%22%22=%22%22\"\"3\"\r\n" );
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document.write( "And as a check we divide the 3rd term by the 2nd term to see if we get\r\n" );
document.write( "the same common ratio:\r\n" );
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document.write( "\"-8\"\"%22%F7%22\"\"-8%2F3\"\"%22%22=%22%22\"\"-8\"\"%22%22%2A%22%22\"\"-3%2F8\"\"%22%22=%22%22\"\"3\"\r\n" );
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document.write( "The formula for the nth term is:\r\n" );
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document.write( "\"a%5Bn%5D\"\"%22%22=%22%22\"\"a%5B1%5Dr%5E%28n-1%29\"\r\n" );
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document.write( "So substitute n=9, \"a%5B1%5D=-8%2F9\" and \"r=3\"\r\n" );
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document.write( "\"a%5B9%5D\"\"%22%22=%22%22\"\"%28-8%2F9%29%283%29%5E%289-1%29\"\r\n" );
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document.write( "\"a%5B9%5D\"\"%22%22=%22%22\"\"%28-8%2F9%293%5E8\"\r\n" );
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document.write( "\"a%5B9%5D\"\"%22%22=%22%22\"\"-5832\"\r\n" );
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document.write( "Edwin
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