For each of the following sequences, state a rule and write down the next two terms of the sequence.

Question

For each of the following sequences, state a rule and write down the next two terms of the sequence. $-12, -8, -4, 0, 4, \dots$ $\frac{1}{81}, -\frac{1}{9}, 1, -9, 81, \dots$ $-70, -140, -210, -280, -350, \dots$ $3, 9, 27, 81, 243, \dots$

Accepted Answer

(i) Add $4$: $8,12$ (ii) Multiply by $-9$: $-729,6561$ (iii) Subtract $70$: $-420,-490$ (iv) Multiply by $3$: $729,2187$

Rules of Sequences

Rules of Sequences

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