document.write( "Question 864485: Determine if the sequence is geometric. If it is, find the common ratio, the 8th term, the explicit formula, and recursive formula: 3,-9,27,-81,...
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Algebra.Com's Answer #521017 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! r=-3 \n" ); document.write( "Tn = 3 * -3^(n - 1) \n" ); document.write( "and \n" ); document.write( "Tn=-3(n-1) \n" ); document.write( "T8=3*-3^(7)=-6561 \n" ); document.write( " 3, -9, 27, -81, 243, -729, 2187, -6561, 19683, -59049, 177147, -531441, 1594323, -4782969, 14348907, -43046721, 129140163, -387420489, 1162261467, -3486784401, 10460353203, -31381059609, 94143178827, -282429536481, 847288609443, -2541865828329, 7625597484987 \n" ); document.write( " |