A perfect square is a number that can be expressed as the product of two equal integers.
Examples of perfect squares
- 9
- 9 is a perfect square because it can be expressed as 3 * 3 (the product of two equal integers).
- 16
- 16 is a perfect square because it can be expressed as 4 * 4 (the product of two equal integers).
- 25
- 25 is a perfect square because it can be expressed as 5 * 5 (the product of two equal integers).
Non examples of perfect squares
- 8
-
8 is not a perfect square because you cannot express it as the product of two equal integers.
- 5
-
5 is not a perfect square because it cannot be expressed as the product of two equal integers.
- 7
-
7 is not a perfect square because you cannot express it as the product of two equal integers.
