Arithmetic Sequences Summary

Arithmetic Sequences

Summary

an arithmetic sequence or progression, is a sequence where each term is calculated by adding a fixed amount to the previous term.

an arithmetic sequence has a first term, a, and a common difference, d.

Key Skills
  • determine whether a sequence is arithmetic.
  • find the first term and the common difference.
  • find the formula for the general term and use if to find specific terms of a sequence.

Vocabulary

arithmetic sequence, arithmetic progression, sequence, common difference, general term