9.1 Intro Video

What makes 16 a perfect square?

• 16 is a perfect square because it equals 4x4

• 16 is a perfect square because it is a prime number.
• 16 is a perfect square because it is the sum of two cubes.
• 16 is a perfect square because it is an even number.

What makes 64 a perfect square?

• 64 is a perfect square because it equals 6 squared.
• 64 is a perfect square because it equals 8 squared.
• 64 is a perfect square because it is a prime number.
• 64 is a perfect square because it is the sum of two squares.

What is a perfect square?

• A perfect square is a number that can be divided by two.
• A perfect square is a number that is the sum of two integers.
• A perfect square is a number that is the square of an integer.
• A perfect square is a number that ends with the digit 5.

What do you think square root means?

• A number that is always positive.
• The sum of two identical numbers.
• A value that is half of the original number.
• The opposite of squared.

Which of these numbers are perfect squares?

• 5
• 16

• 2
• 10

Which of these numbers are prefect squares?

• 10
• 5
• 9

• 2

Which of these numbers are prefect squares?

• 50

• 81

• 99

• 8