Question

Write a formula for this sequence: 19, 11, 3, -5,...
a. 27 - 8n

b. -8n + 19

c. -5 + 8n

Answer 1

B

Answer 2

1st term A = 19, Common difference D = 11-19 = -8,

So use nth term = A + (n-1)D .

Answer 3

A

Answer 4

@DaWizjr nope.

Infact it would be 19 + (n-1)-8

=> 19-8n+8 which is 27 - 8n i.e. a

Answer 5

Just typed A though