Question

Determine a razão das sequências a seguir:
a) (2, 5, 8, 11, 14)
b) (15, 10, 5, 0, -5)

Answer 1

a) (2, 5, 8, 11, 14)
$R=A2-A1 \\ R=5-2 \\ R= 3$

b) (15, 10, 5, 0, -5)
$R=A2-A1 \\ R=10-15 \\ R= -5$