Squares, Perfect Squares, and Simplifying Radicals

Which of the following is a perfect square?

• 12

• 90

• 40

• 64

Write the expression in simplest radical form.

Mathematical Equivalence

ON

√45

• 9√5

• 3√5

• 5√9

• 3√15

√243

• 3√3

• 9√3

• 81√3

• 3√81

Which of the following in NOT a perfect square?

• 49

• 81

• 111

• 144

True or False: The following list contains only perfect squares.
1, 4, 9, 27, 81, 100

• True

• False

Write the expression in simplest radical form.

Mathematical Equivalence

ON

Q1. What is the value of the expression?

• A) 13√3

• B) 10√30

• C) 13√6

• D) 11√3

Which contains a list of perfect squares?

• 20, 24, 36, 48

• 25, 36, 49, 64

• 34, 48, 64, 81

• 36, 49, 62, 84

Simplify:

√72

• √72

• 2√2

• 6√2

• 4√18