Question

What are the next two terms in the sequence -9,3,-1,...?

Answer 1

Answer:

11,7

Step-by-step explanation:

-9,3,-1,

- 9 + X = 3                     3 + X = - 1

+ 9       + 9                   - 3           - 3

--------------------           --------------------

  X = 12                           X = - 4

 - 1 + 12 = 11                11 + (- 4)  =  7

Answer 2

11 and 7 need two ok be the next two terms.