Writing Formulas for Arithmetic Sequences

Arithmetic Sequences An arithmetic sequence is a series of numbers obtained by adding the same value with each step

An arithmetic sequence can also be defined recursively by the formulas a1 = c, an+1 = an + d, in which d is again the common difference between consecutive

arithmetic sequence Key Takeaways The nth partial sum of an arithmetic sequence can be calculated using the first and last terms as follows: Sn=n2 Write

arithmetic sequence Arithmetic Sequences If the terms of a sequence differ by a constant, we say the sequence is arithmetic If the initial term of the sequence is a a