document.write( "Question 1085312: Find the next two terms of the following sequence: 13,4,-11,-32,... \n" ); document.write( "
Algebra.Com's Answer #699396 by addingup(3677)\"\" \"About 
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13,4,-11,-32
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\n" ); document.write( "13-4 = 9
\n" ); document.write( "4-15 = -11
\n" ); document.write( "from 9 to 15 = 6
\n" ); document.write( "-11-21 = -32
\n" ); document.write( "from 15 to 21 = 6
\n" ); document.write( "See the pattern? So:
\n" ); document.write( "-21-6 = -27, -32-27 = -59 this is your 5th number
\n" ); document.write( "-27-6 = -33; -59-33 = -92 this is your 6th number
\n" ); document.write( "For your info, this is a quadratic sequence.\r
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