To determine the next five terms after A = -19, use the equation, At = A + (n - 1) x d Solving for the terms. A2 = -19 + (2 - 1) x -10 = -29 A3 = -19 + (3 - 1) x -10 = -39 A3 = -19 + (4 - 1) x -10 = -49 A3 = -19 + (5 - 1) x -10 = -59 A3 = -19 + (6 - 1) x -10 = -69