document.write( "Question 1203500: What is the general term of -1,2,-4,8,-16 \n" ); document.write( "
Algebra.Com's Answer #839114 by Theo(13342)\"\" \"About 
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-1 * -2 = 2
\n" ); document.write( "2 * -2 = -4
\n" ); document.write( "-4 * -2 = 8
\n" ); document.write( "8 * -2 = -16
\n" ); document.write( "looks like you have a common multiplier of -2.
\n" ); document.write( "a formula would be y = -1 * (-2)^n, i believe.
\n" ); document.write( "when n = 0, y = -1
\n" ); document.write( "when n = 1, y = -1 * -2 = 2
\n" ); document.write( "when n = 3, y = -1 * (-2)^2 = -1 * 4 = 4
\n" ); document.write( "when n = 4, y = -1 * (-2)^3 = -1 * -8 = 8
\n" ); document.write( "when n = 5, y = -2 * (-2)^4 = -1 * 16 = -16.
\n" ); document.write( "etc.....
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