Arithmetic Sequence Formula

Arithmetic Sequences CK-12 Foundation arithmetic sequence A sequence such as 1, 5, 9, 13, 17 or 12, 7, 2, –3, –8, –13, –18 which has a constant difference between terms The first term is a1, the common difference is d arithmetic sequence To find a term in an arithmetic sequence, determine the common difference by subtracting the first number from the second number Then, confirm

arithmetic sequence 2,4,6,8,10… is an arithmetic sequence with the common difference 2 If the first term of an arithmetic sequence