Question

Quais das sequencias seguintes representam progressão aritméticas?
 a) 21,25,29,33,37)             d)(1/3,2/3,1,4/3,5/3,2)
 b) (0,-7,7,-14,14)               e)(-30,-36,-41,-45)
 c)(-8,0,8,16,24,32)

Answer 1

a) (21,25,29,33,37)
 c)(-8,0,8,16,24,32)
d)(1/3,2/3,1,4/3,5/3,2)