Factoring and Square Roots

√196 = ______

• 14

• 14²

• 15

• 15²

Which number is the square root of 324?

• 18²

• 18

• √18

• 18/2

Which number is closest to the approximate value of √380?

• 18.5

• 19

• 19.5

• 20

169

• Is a perfect square.

• Is not a perfect square.

Which of the following is a perfect square?

• 39

• 50

• 24

• 81

If I know the area of a square, how do I find the side length?

• I square the area.

• I divide the area by 2.

• I take the square root of the area.

• I divide the area by 4.

x² = 121
What does x equal?

• 11²

• 11 and -11

• 20 and 11

• 12 and 1

What is the square root of 289?

• 13

• 140

• 17

• 18

What is the square root of 324?

• 16

• 17

• 18

• 19

Which number has a square root that is between 7 and 8?

• 48

• 81

• 60

• 36