document.write( "Question 480415: What is the pattern for -3, 6, -9, 12 \n" ); document.write( "
Algebra.Com's Answer #331201 by cleomenius(959)\"\" \"About 
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The pattern 3n * -1^(n) would work.
\n" ); document.write( "n=1; n+1, n+ 2, n + 3.......
\n" ); document.write( "Cleomenius.\r
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