Question

Interpole seis meios aritméticos entre 6 e -22.

Answer 1

an = 6     a1 = -22     n= 8    r=?   an=a1+(n-1)r

6 = -22 + (8-1) r
6 = -22 + 7r
6+22 = 7r
28 = 7r
r=28/7
r= 4

{-22;[-18;-14;-10; -6; -2; 2;] 6}