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Sequences

write the equation that describes the sequence 1)1,3,5,7 2)-5,-2,1,4 3)3,-6,12,-24 4)1,4,9,16 5)3,7,11,15
Question asked by: may-jay143

Asked on: 04 Feb 2010

1)1,3,5,7

Add two each time (n + 2)

2)-5,-2,1,4

Add three each time (n + 3)

3)3,-6,12,-24

Multiply by -2 each time ( n x -2)

4)1,4,9,16

Add 3,5,7... (n = n-1 + (n-1 - n-2)

5)3,7,11,15

Add 4 each time (n + 4)

By: knowitall
Replied at: 04 Feb 2010
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