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www.khanacademy.org/math/algebra/sequences/constructing...

Learn how to find recursive formulas for arithmetic sequences. For example, find the recursive formula of 3, 5, 7,...

mathbitsnotebook.com/Algebra2/Sequences/SSRefreshRecursive...

Certain sequences (not all) can be defined (expressed) in a "recursive" form. In a recursive formula, each term is defined as a function of its preceding term(s). [Each term is found by doing something to the term(s) immediately in front of that term.]

www.shmoop.com/sequences-series/recursive-rules-examples.html

The thing about recursive rules is that we need to apply them a bunch of times, over and over, to find the term we want. Get your second term first by substituting 2 for n. So we're adding 5 to each previous term. Rewrite the final rule using braces in terms of a n – 1. Braces still look like this ...

www.reference.com/math/recursive-rule-a3eb14f76ca05b1e

What Is the Recursive Rule? In arithmetic sequences with common difference (d), the recursive formula is expressed as: a_n=a_{n-1}+ d. In a geometric sequence, where the ratio of the given term is constant to the previous term, the recursive formula is expressed as: a(1)=c, a ^n-1, where c is the constant, and r is the common ratio.

www.mathwords.com/r/recursive_formula.htm

Recursive Formula. For a sequence a 1, a 2, a 3, . . . , a n, . . . a recursive formula is a formula that requires the computation of all previous terms in order to find the value of a n. Note: Recursion is an example of an iterative procedure.

en.wikipedia.org/wiki/Recursion_(computer_science)

"Recursive algorithms are particularly appropriate when the underlying problem or the data to be treated are defined in recursive terms." The examples in this section illustrate what is known as "structural recursion". This term refers to the fact that the recursive procedures are acting on data that is defined recursively.

www.purplemath.com/modules/nextnumb3.htm

While recursive sequences are easy to understand, they are difficult to deal with, in that, in order to get, say, the thirty-nineth term in this sequence, you would first have to find terms one through thirty-eight. There isn't a formula into which you could plug n = 39 and get the answer.

learnalgebra.wordpress.com/.../recursive-and-explicit-formulas

Explicit formula is used to find the nth term of the sequence using one or more preceding terms of the sequence. Recursive and Explicit Formulas – Example Problems. Example 1: First term of the sequence a1 = 28, common difference d = 14, find the recursive formula of the arithmetic sequence. Solution: First term a1 = 28, common difference d = 14.

www.khanacademy.org/math/algebra/sequences/constructing...

Find the recursive formula of an arithmetic sequence given the first few terms. If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

www.icoachmath.com/math_dictionary/recursive_formula.html

iCoachMath is a one stop shop for all Math queries. Our Math dictionary is both extensive and exhaustive. We have detailed definitions, easy to comprehend examples and video tutorials to help understand complex mathematical concepts. In addition to Math we also have Physics, Chemistry and Biology dictionaries to help students understand the ...