document.write( "Question 986062: Hey so the sequence is 5,10,3,6,-1,-2,-9 what 3 numbers would come next??? \n" ); document.write( "
Algebra.Com's Answer #606824 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Break into two sub-sequences taking every other term:\r\n" );
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document.write( "  5,10, 3,6,-1,-2,-9      <--original sequence\r\n" );
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document.write( "  5,    3,  -1,   -9      <--first sub-sequence\r\n" );
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document.write( "    10,   6,   -2,        <--second sub-sequence\r\n" );
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document.write( "First sequence:    5,3,-1,-9,...\r\n" );
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document.write( "            5      <--start with 5 \r\n" );
document.write( "  5 -  2 =  3\r\n" );
document.write( "  3 -  4 = -1\r\n" );
document.write( " -1 -  8 = -9       so we continue the pattern of doubling what we subtract\r\n" );
document.write( " -9 - 16 = -25\r\n" );
document.write( "-25 - 32 = -57\r\n" );
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document.write( "Second sequence:  10,6,-2,... \r\n" );
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document.write( "           10      <-- start with 10\r\n" );
document.write( " 10 -  4 =  6     \r\n" );
document.write( "  6 -  8 = -2       so we continue the pattern of doubling what we subtract\r\n" );
document.write( " -2 - 16 = -18\r\n" );
document.write( "-18 - 32 = -50\r\n" );
document.write( "-50 - 64 = -114\r\n" );
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document.write( "  \r\n" );
document.write( "  5,    3,  -1,   -9,    -25,    -57        <--first sub-sequence\r\n" );
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document.write( "    10,   6,   -2,   -18,    -50     -114   <--second sub-sequence \r\n" );
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document.write( "  5,10, 3,6,-1,-2,-9,-18,-25,-50,-57,-114   <---original sequence \r\n" );
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document.write( "That's 5 more terms.  You only wanted 3.\r\n" );
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document.write( "Edwin
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