Question

the first three terms of a geometric sequence are as follows -2,6,-18 find the next two terms of this sequence

Answer 1

54, -162

Explanation:

Common ratio = 6/-2 = -18/6 = -3

Three terms are -2, 6, -18

Fourth term = -18 x r = -18 x - 3 = 54

Fifth term = 54 x -3 = -162