document.write( "Question 377686: The First and Fourth terms of a geometric sequence are 5 and 135. Use the geometric sequence formula to find the value of r. (R=Rate or Ratio) Any Help will be appreciated. \n" ); document.write( "
Algebra.Com's Answer #268386 by ewatrrr(24785)\"\" \"About 
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document.write( "Hi,
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document.write( "The First and Fourth terms of a geometric sequence are 5 and 135
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document.write( "Note: for a geometric series: \"a%5Bn%5D+=+a%5B1%5D%2Ar%5E%28n-1%29\"
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document.write( "\"a%5B4%5D+=+a%5B1%5D%2Ar%5E%284-1%29\"
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document.write( "\"a%5B4%5D+=+a%5B1%5D%2Ar%5E3\"
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document.write( "135 = 5*r^3
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document.write( "27 = r^3
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document.write( "3 = r \n" );
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