Question

Write the next 4 terms of the sequence -4, -1, 4, 11

Answer 1

20, 31, 44, 59

Explanation:

find difference between

-4 and -1 is 3

-1 and 4 is 5

4 and 11 is 7

next term: 11+9=20

next term: 20+11=31

next term: 31+13=44

next term: 44+15=59