Posted by **Howler** on Wednesday, December 14, 2011 at 9:55am.

Find out a formula for the Nth term of each of the following sequences.

(i)4 7 10 13 16

(ii)1 3 5 7 9

(iii)20 17 14 11 8

(iv)1 4 9 16 25

(v)2 8 18 32 50

- MATH!!!! SEQUENCES!!! -
**Anonymous**, Wednesday, December 14, 2011 at 10:09am
(i)4 7 10 13 16 N = 4 + (n-2)d

(ii)1 3 5 7 9 N = 2 + (n-1)d

(iii)20 17 14 11 8 N = 20 - (n-1)d

(iv)1 4 9 16 25 N = n^2

(v)2 8 18 32 50 N = 2n^2

- MATH!!!! SEQUENCES!!! -
**Reiny**, Wednesday, December 14, 2011 at 11:21am
i) term(n) = 3n +1

ii) term(n) = 2n - 1

iii) term(n) = -3n + 23

iv) term(n) = n^2

v) term(n) = 2(n^2)

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