Tell whether the sequence is arithmetic. If it is, what is the common difference? a. −6, 2, 10, 18, ... b. 1, 2, 4, 8, ...

Respuesta :

Answer:

a. −6, 2, 10, 18,

common difference: 8

Step-by-step explanation:

a. −6, 2, 10, 18,

common difference: 8

b. is not arithmetic

a is arithmetic with a common difference of 8 but b isn’t