document.write( "Question 1092715: 3 -6 12 4 20 ? \n" ); document.write( "
Algebra.Com's Answer #707800 by Edwin McCravy(20059)\"\" \"About 
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document.write( "             3    <--the 1st term\r\n" );
document.write( " 3 + (-9) = -6    <--the 2nd term\r\n" );
document.write( "-6 + (18) = 12    <--the 3rd term\r\n" );
document.write( "12 + (-8) =  4    <--the 4th term\r\n" );
document.write( " 4 + (16) = 20    <--the 5th term\r\n" );
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document.write( "So using that pattern:\r\n" );
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document.write( "20 + (-7) = 13    <--the 6th trm\r\n" );
document.write( "13 + (14) = 27    <--the 7th term\r\n" );
document.write( "27 + (-6) = 21    <--the 8th term\r\n" );
document.write( "21 + (12) = 33    <--the 9th term\r\n" );
document.write( "...\r\n" );
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document.write( "Edwin

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