Question

Construct a difference table to predict the next term of the sequence.

1, 8, 18, 31, 47, 66, . . .

Answer 1

88

Explanation:

8-1=7

+3

18-8=10

+3

31-18=13

+3

47-31=16

+3

66-47 = 19

+3

x - 66 = 22

+66 +66

x= 88