document.write( "Question 851962: 6. Identify the sequence {-2, 2, -2, 2 ...} as arithmetic or geometric. Then find the common difference or ratio as appropriate. \n" ); document.write( "
Algebra.Com's Answer #513100 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
geometric r=-1 \n" ); document.write( "
\n" );