SOLUTION: A number is called a perfect square if it is the square of an integer. How many pairs of perfect squares differ by 495? (Order does not matter. So, the pair "16 and 9" is the same

Question 1019655: A number is called a perfect square if it is the square of an integer. How many pairs of perfect squares differ by 495? (Order does not matter. So, the pair "16 and 9" is the same as "9 and 16".)
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
A number is called a perfect square if it is the square of an integer. How many pairs of perfect squares differ by 495? (Order does not matter. So, the pair "16 and 9" is the same as "9 and 16".
:
x^2 - y^2 = 495
-y^2 = -x^2 + 495
y^2 = x^2 - 495
y =
With the help of my Ti83, viewing the table I got 5
x | y
------
24| 9
32|23
52|47
84|81
248|247
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