document.write( "Question 1068107: Write the explicit formula that represents the geometric sequence -2, 8, -32, 128
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Algebra.Com's Answer #683252 by Edwin McCravy(20059) $\"\"$ $\"About$

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document.write( "The terms of the sequence are the odd powers of 2\r\n" );
document.write( "with alternating signs.\r\n" );
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document.write( "The general term for the sequence of exponents 1, 3, 5, 7, ...\r\n" );
document.write( "is \r\n" );
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document.write( "The general term for the sequence of multipliers 1, -1, 1, -1, 1, ...\r\n" );
document.write( "which causes alternating signs is \r\n" );
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document.write( "So the general formula is\r\n" );
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document.write( "Edwin

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