Question

interpole oito meios aritmeticos entre os numeros -2 e 43

Answer 1

a1 = -2
k = 8
n = k+2
n = 8+2
n = 10
a10 = 43

r = (an-a1)/(k+1)
r = (43-(-2))/(8+1)
r = (43+2)/9
r = 45/9
r = 5
PA = (-2, 3, 8, 13, 18, 23, 28, 33, 38, 43)