Algebra Flashcards: Sequences As Functions And Recursion

Study Sequences As Functions And Recursion in Algebra with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

Identify whether $a_n=2n-1$ (for $n\ge 1$ ) is explicit or recursive.

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ANSWER

Explicit. The formula directly gives $a_n$ in terms of $n$ .

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What this deck covers

This deck focuses on Sequences As Functions And Recursion, giving you a quick way to review the definitions, rules, and examples that matter most for Algebra.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 50Practice questions for this set

The sequence

a_n

is defined recursively for

n=1,2,3,\dots

a_1=3

and

a_{n+1}=3a_n

. What is the next term after

3, 9, 27

Choose an answer

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