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Recursive Formula: Algebra

Howdy math peeps! In this post, we are going to go over the recursive formula step by step by reviewing a Regent’s question. Yes, it is the recursive formula jam, well at least it’s my kind of jam. These things may look weird, confusing, and like a “what am I doing?” moment, but trust me they are no so bad!

How do I answer this question?

At first glance, all of these answer choices may look exactly the same. The first thing I would want to do with this question is to identify how all of theses answer choices are different. Take a look below:

What is the Recursive Formula?

A Recursive Formula is a formula that forms a sequence based on the previous term value. All this means is that it uses a formula to form a sequence-based pattern.

Let’s go through each choice to identify the answer:

Our goal is to test out each choice given, until we get the desired sequence:

Still have questions about recursive formulas? Check out more on recursive formulas here!

Still got questions? No problem! Check out the video above for more or try the NYS Regents question below, and please don’t hesitate to comment with any questions. Happy calculating! 🙂

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