Question

Determine a razão das PAs abaixo: a) (3,7,11,...) b) (-2,-5,-8,...) c) (9,5,1,...) d) (-2,3,8,...)

Answer 1

a) r = 7 - 3
r = 4

b) r = -5 - (-2)
r = -3

c) r = 5 - 9
r = -4

d) r = 3 - (-2)
r = 5