document.write( "Question 843163: sequence is: -3/4 ; X ; Y ; 2/9\r
\n" ); document.write( "\n" ); document.write( "question is: determine the values of X and Y so that the sequence is geometric.
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Algebra.Com's Answer #507963 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
\n" ); document.write( "Hi,
\n" ); document.write( "Geometric
\n" ); document.write( "\"a%5Bn%5D+=+a%5B1%5D%2Ar%5E%28n-1%29\"
\n" ); document.write( "\"a%5B4%5D+=+%28-3%2F4%29_%2Ar%5E%283%29+=+2%2F9\"
\n" ); document.write( " r^2 = (2/9(-4/3)
\n" ); document.write( " r^3 = -8/27
\n" ); document.write( " r = -2/3
\n" ); document.write( "-3/4 ; X ; Y ; 2/9
\n" ); document.write( "-3/4, 6/12, -12/36, 2/9
\n" ); document.write( "-3/4, 1/2, -1/3, 2/9
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