Question

Copie e complete cada uma das P.G.:a) (3,6,_,_,_,_,_,_,)b) (1,5,_,_,_,_,_)c) (400,200,_,_,_)d) (-2,-6,_,_,_,_)

Answer 1

A- (3,6,9,12,15,18,21)
B-(1,5,9,13,17,21,25)
C-(400,200,100,50)
D-(-2,-6,-10,-14,-18).

Answer 2

a) q=2 (razão), logo: 3,6,12,24,48,96,192,384
b) q=5, logo: 1,5,25,125,625,3125,15625
c) q=1/2, logo: 400,200,100,50,25
d) q=3, logo: -2,-6,-18,-54,-162,-486