Sequences & Series

Ordered lists of numbers with a rule. Example: arithmetic $2, 5, 8, 11, \dots$ has common difference $d = 3$ .

5 lessons Â· 13 slides

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Arithmetic adds, geometric multiplies — spot the difference

2 slides

nth term and sum, for each sequence type

3 slides

The summation formula and how CSCA uses it

2 slides

Why aₙ uses (n−1), not n

1 slides

Real CC BY 4.0 problems from OpenStax College Algebra 2e §9.1

5 slides