Question

what is the nth term of the sequence 11, 7, 3, -1

Answer 1

Answer:

15 - 4n

Step-by-step explanation:

first term (a) = 11

common difference (d) = second term - first term

= 7 - 11

= -4

Nth term = a + (n-1)d

= 11 + (n-1)(-4)

= 11 -4n +4

= 15 - 4n