Respuesta :

Catya
Formula for the terms shows that it starts at 6 and decreases by 4
6, 2, -2. -6, ...

4th term is -6
you can also just put in n = 4 for the 4th term and solve for it.

Answer:

-18

Step-by-step explanation:

a(4)=-6-4(4-1)

=-18