IXL - Checkpoint: Sequences (Algebra 1 practice)

This recursive formula defines a sequence:

a

1

=

6

a

n

=

a

n

–

1

+

4

Which of the following are terms in the sequence? Select all that apply.

4

14

18

22

30

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Not feeling ready yet? These can help:

U.4Evaluate variable expressions for number sequences

U.5Evaluate recursive formulas for sequences

U.6Identify a sequence as explicit or recursive

U.7Write variable expressions for arithmetic sequences

U.8Write variable expressions for geometric sequences

U.9Write a formula for a recursive sequence

U.10Convert a recursive formula to an explicit formula

U.11Convert an explicit formula to a recursive formula