document.write( "Question 1096796: Look for a pattern and predict the next number in each sequence. Then find a+b.\r
\n" ); document.write( "\n" ); document.write( "First sequence: 1, 1, 2, 2, 3, 3, 4, a;\r
\n" ); document.write( "\n" ); document.write( "Second sequence: 1, -4, 9, -16, 25, b;\r
\n" ); document.write( "\n" ); document.write( "I know the answer to a, but I've tried several times to figure out what b is. Can someone explain the second sequence to me? Thanks! \n" ); document.write( "

Algebra.Com's Answer #711205 by Edwin McCravy(20056) $\"\"$ $\"About$

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1, -4, 9, -16, 25,
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document.write( "1² = 1×1 = 1,  keep the positive sign, 1\r\n" );
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document.write( "2² = 2×2 = 4,  change the sign to -4\r\n" );
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document.write( "3² = 3×3 = 9,  keep the positive sign, 9\r\n" );
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document.write( "4² = 4×4 = 16  change the sign to -16\r\n" );
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document.write( "5² = 5×5 = 25  keep the positive sign, 25\r\n" );
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document.write( "So what's the answer?\r\n" );
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document.write( "Edwin

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