What is the pattern of 36 49 64 81?

Answer 1

18

Answer 2

The simplest pattern that your teacher is most likely to want is:

U{n} = (n + 5)² for n = 1, 2, 3, 4

ie each term is the square of the next whole number starting with 6:

{36, 49, 64, 81} = {6², 7², 8², 9²}

Answer 3

Letter B 18