Question

What are perfect squares?

Answer 1

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 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