find the next three terms of an arithmetic sequence -8, -11, -14, -17 find the next three terms

and show all your work which I mean how did u get it and write the formula

Respuesta :

Answer: next three terms: a_5 = -20, a_6 = -23, a_7 = -26

Step-by-step explanation:

Formula: a_n = a_1 + (n-1)d

We need to find the 5th, 6th and 7th term.

a_5 = -8 + (5-1)(-3)

a_5 = -20

a_6 = -8 + (6-1)(-3)

a_6 = -23

a_7 = -8 + (7-1)(-3)

a_7 = -26

+4 each sequence and the three terms