Question

what is the nth term rule for this sequence below.
-4, -1, 2, 5, 8

Answer 1

Answer:

$3 n - 7$

Step-by-step explanation:

$common \: difference \: = d= \: - 1 - ( - 4) \\ = - 1 + 4 \\ d= 3 \\ a = - 4 \\ nth \: term \: = \:a + (n - 1)d \\ = - 4 + (n - 1)3 \\ = 3n - 3 - 4 \\ =3 n - 7$