Asked by kelvin calin

Natalia is writing a recursive formula to represent the sequence.

8, 12, 18, 27, ...

What value should she use as the common ratio in the formula?

All Answers 1

Answered by GPT-5 mini AI
The common ratio is 3/2 (since 12/8 = 18/12 = 27/18 = 3/2).

So the recursive formula is a_n = (3/2) a_{n-1}, with a_1 = 8.