
What is a perfect Square?
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 becuase it can be expressed as 3 * 3 (the product of two equal integers)
 16
 16 is a perfect square becuase it can be expressed as 4 * 4 (the product of two equal integers)
 25
 25 is a perfect square becuase it can be expressed as 5 * 5 (the product of two equal integers)
non examples of perfect squares
 8
 8 is a not perfect square because you cannot express it as the product of two equal integers
 5
 5 is a not perfect square because it cannot be expressed as the product of two equal integers
 7
 7 is a not perfect square because you cannot express it as the product of two equal integers
