Answer:
4th term = 0
6th term = -4
13th term = -18
Explanation:
a(n) = 6 + -2(n-1)
a(4) = 6 + (-2)(3) which is 6-6
a(6) = 6 + (-2)(5) which is 6-10
a(13) = 6 + (-2)(12) which is 6-24
4.7m questions
6.1m answers