Square Root

What is the inverse of "squaring" a number?

• Division

• Cube Root

• Square Root

• Multiplication

Solve for x when x² = 144

• 4

• -4

• 12

• 12, -12

The area of a square painting is 81 cm².  What is the side length of the painting?

• 40.5 cm

• 162 cm

• 6,561 cm

• 9 cm

Choose the best estimate.

• 5

• 5.4

• 5.8

• 7

Choose the best estimate.

• 7

• 8

• 9

• 10

Choose the best estimate.

• 9

• 9.3

• 9.7

• 10

Estimate the square root.

• 1

• 2

• 3

• 4

What is the square root of 81?

• 3

• 162

• 6561

• 9

What is the square root of 100?

• 10

• 200

• 50

• 1000

What is the square root of 36?

• 4

• 6

• 18

• 1296