1.5 GEOMETRIC SEQUENCES ermine if the sequence given is arithmetic or geometric. Give the next 3 terms in each ce. a. -2, -10, -50, ... b. -16, -6, 4, ... c. 28, 18, 8, ... d. -3, -1, - 7.... e. -1, 6, -36, ... f. 1 , 5 , 0 , ... d the common ratio r for each of the following geometric sequences algebraically. a. 3,-12, 48, ... b. 0.01 , 0.06 , 0.36, ... C. 2x8 , 8x6., 32x4 ,... d. 1, x + 3, x2 + 6x + 9