Recursive Formula
Definition of Recursive Formula
- Recursive formula is a formula that is used to determine the next term of a sequence using one or more of the preceding terms.
Examples of Recursive Formula
- The recursive formula for the sequence 5, 20, 80, 320, ... is
.
Solved Example on Recursive Formula
The first term in a sequence is 39. Each term after the first term is 7 more than the term before it. Find the recursive formula for the sequence.
Choices:
A. 
B. 
C. 
D. 
Correct Answer: D
Solution:
Step 1: 
[First term = 39.]
Step 2: 
[Each term is 7 more than the term before it.]
Step 3: 
Step 4: 
[This is a recursive formula.]
Step 5: The recursive formula for the sequence is 
.
Related Terms for Recursive Formula
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