Question

interpole 7 meios aritimeticos entre -2 e 22

Answer 1

-2   ---  22

an =a1 + (n - 1) r

22 = (-2) + ( 9 -1)r

22 +2 = 8r

24 = 8r

r = 24/8    r = 3

{-2 |  1, 4, 7, 10, 13, 16, 19,  | 22}