Given the following pattern, determine how many square units there will be in step 5

Question

Step 1 = 0 Squares

Step 2 = 3 Squares

Step 3 = 8 Squares

Possible Answers ⬇️:

A. 72

B. 24

C. 18

D. 36

Answer 1

24 is the 5th step. Square 5 then subtract 1. 25-1 = 24

1^2 -1 = 0

2^2-1 = 3

3^3-1 = 8

4^2 -1 = 15

5^2 -1 = 24

n^2-1 is the nth step