NAEP: The terms in this sequence are the squares of consecutive odd numbers:
1, 9, 25, 49, 81, …
The same rule is applied to each number in the given pattern. What is the sixth number in the pattern?
A)40
B)100
C)121
D)144

Question

Quizplus · Accepted Answer

The pattern is the squares of consecutive odd numbers: 1 (1^2), 9 (3^2), 25 (5^2), 49 (7^2), 81 (9^2), ... The sixth term is the square of the next odd number, which is 11. So, the sixth number is 11^2 = 121.

NAEP: the Terms in This Sequence Are the Squares of Consecutive