Perfect Square Roots

√ 81

• 8

• 7

• 10

• 9

Which of these areas is a perfect square?

• 12

• 90

• 40

• 64

Which of the following in NOT a perfect square?

• 49

• 81

• 111

• 144

11² =

• 22

• 44

• 144

• 121

Which number is the square root of 324?

• 18²

• 18

• √18

• 18/2

√144

• 12

• 14

• 11

• 16

√256

• 14

• 16

• 13

• 17

√196

• 15

• 13

• 12

• 14

√225

• 1

  13

• 16

• 18

• 15

If x²= 100, then

• x = 10 and x = -10

• x = -10

• x = 10

• x = 50