Formulate the recursive formula for the following geometric sequence. {-16, 4, -1, ...} ?
1 Answer
Mar 28, 2018
Explanation:
We have the sequence
By looking at the first three terms of the sequence, we can already see a pattern.
Starting at -16, each term has its sign reversed, and is divided by 4.
Hence the sequence can be written as:
So the formula for the