Question

Consider the sequence:
4, 12, 20, 28, 36, 44, 52,...
Find the nth term of the sequence.

Answer 1

68

Explanation:

52+8=60

60+8=68

each time I add 8

Answer 2

Answer: 8n+4

Explanation:

The numbers go up in 8, so we know its 8n.

If you put the 8 times table above these set of numbers, yo would get this-

8, 16, 24, 32, 40, 48, 56...

4, 12, 20, 28, 36, 44, 52...

Therefore you must add 4 to get to 8.