document.write( "Question 398942: Find the 8th term in the geometric sequence with t4 = 48 and t6 = 192. \n" ); document.write( "
Algebra.Com's Answer #282585 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi
\n" ); document.write( "Geometric sequence:
\n" ); document.write( "\"a%5Bn%5D+=+a%5B1%5D%2Ar%5E%28n-1%29\"
\n" ); document.write( "Question states:
\n" ); document.write( "\"a%5B4%5D+=+a%5B1%5D%2Ar%5E3+=+48\" OR \"a%5B1%5D+=+48%2Fr%5E3\"
\n" ); document.write( "\"a%5B6%5D+=+a%5B1%5D%2Ar%5E5+=+192\"
\n" ); document.write( "\"a%5B6%5D+=+48%2Fr%5E3%2Ar%5E5+=+192\"
\n" ); document.write( " r^2 = 4
\n" ); document.write( " r = 2 \"a%5B1%5D\" = 48/8 = 6 , if r = -2, then first term would be -6
\n" ); document.write( "irregardless:
\n" ); document.write( "\"a%5B8%5D+=+6%2A2%5E7+=+-6%2A%28-2%29%5E7+=+768+\"
\n" ); document.write( " \n" ); document.write( "
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