document.write( "Question 890021: What is the next number in these 4 sequences?
\n" ); document.write( "1. 3, -6, 12, 4, 20, ?
\n" ); document.write( "2. 7, 16, 8, 27, 9, ?
\n" ); document.write( "3. 2, 7, 26, 101, 400, ?
\n" ); document.write( "4. 7, 21, 8, 72, 9, ? \n" ); document.write( "

Algebra.Com's Answer #538687 by richwmiller(17219) $\"\"$ $\"About$

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3 -9 27 -53 103
\n" ); document.write( "-6 18 -26 50 103
\n" ); document.write( "12 -8 24 153
\n" ); document.write( "4 16 177
\n" ); document.write( "20 193
\n" ); document.write( "213
\n" ); document.write( "The sixth term could be 213\r
\n" ); document.write( "\n" ); document.write( "7 9 -17 44 -108
\n" ); document.write( "16 -8 27 -64 -108
\n" ); document.write( "8 19 -37 -172
\n" ); document.write( "27 -18 -209
\n" ); document.write( "9 -227
\n" ); document.write( "-218
\n" ); document.write( "The sixth term could be -218
\n" ); document.write( "2 5 14 42 126
\n" ); document.write( "7 19 56 168 126
\n" ); document.write( "26 75 224 294
\n" ); document.write( "101 299 518
\n" ); document.write( "400 817
\n" ); document.write( "1217
\n" ); document.write( "The sixth term could be 1217\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "7 14 -27 104 -308
\n" ); document.write( "21 -13 77 -204 -308
\n" ); document.write( "8 64 -127 -512
\n" ); document.write( "72 -63 -639
\n" ); document.write( "9 -702
\n" ); document.write( "-693
\n" ); document.write( "The sixth term could be -693
\n" ); document.write( " \n" ); document.write( "

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