1) 5, 15, 45, ... a) 65 b) 135 c) 60 2) -22, -11, -5.5, ... a) -2.25 b) -2.50 c) -2.75 3) 4, 16, 64, ... a) 896 b) 256 c) 80 4) 5, 20, 80, ... a) 320 b) 340 c) 360 5) -18, -9, -4.5, ... a) -2.25 b) 2.25 c) 2.05 6) 9, 27, 81, ... a) 241 b) 242 c) 243 7) 6, 12, 24, ... a) 46 b) 48 c) 50 8) what is the common ration of the geometric sequence -21, 10.5, -5.25, ... a) -0.005 b) -0.05 c) -0.5 9) what is the common ration of the geometric sequence 6, -18, 54, ... a) 3 b) -3 c) none of the above 10) what is the common ration of the geometric sequence 5, 35, 245, ... a) 7 b) 8 c) 9

G10 ACTIVITY (geometric sequence )

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