The difference of squares of two consecutive odd numbers is 64. What is the smaller of the two numbers?
Show answer & explanation
Correct answer: B
Explanation
Given:
The difference between the squares of two consecutive odd numbers = 64
According to the formula:
Let the numbers be x and x+2.
(x+2)² − x² = 4x + 4
4x + 4 = 64
4x = 60
x = 15