document.write( "Question 1047716: What is the pattern -3, 6, -9, 12 \n" ); document.write( "
Algebra.Com's Answer #663250 by Boreal(15235)\"\" \"About 
You can put this solution on YOUR website!
It is (-1)^n*3n
\n" ); document.write( "n=1, and have -3
\n" ); document.write( "n=2 and have 6
\n" ); document.write( "odd n s make negative numbers
\n" ); document.write( "the next number will be -15, then 18.
\n" ); document.write( "
\n" );