Question

Determine o décimo termo da P.A. (2, 8, 14, ...).
(A) 56.
(B) 50.
(C) 30.
(D) 76.​​

Answer 1

56 106.

50 100

30 70

76 121

Answer 2

Resposta:

Letra A

Explicação passo a passo:

r = 8 - 2 = 6

$a_1_0=a_1+9r\\\\a_1_0=2+9.6\\\\a_1_0=2+54\\\\a_1_0=56$