ARITHMETIC SEQUENCES worksheet 2-Answer key.docx ARITHMETIC SEQUENCES & SERIES WORKSHEET (2) Day (2) The general term of an arithmetic sequence is given by the formula: a n = a 1 + (n - 1)d, where a 1 is the first term in the sequence and d is the common difference. Q1. Write the equation for the nth term of each arithmetic sequence. a) 5, -13, -31, … d = -13 - 5 = -18 a n = 5 + (n − 1 ...