Square Roots and Cube Roots

If x³ = 512, find the value of x.

• 170.67

• 8

• 1536

• 7

Evaluate the expression:

14²

• 196

• 7

• 28

• 256

What is the square root of 121?

• 14

• 12

• 11

• 13

x² = 225

Find the value(s) of x

• 15

• 450

• 16

• 15 and -15

What is the cube root of 512?

• 8 and -8

• 8

• 6

• 170.666.....

Which is equivalent to 5 x 5 x 5 x 5

• 5³
• 5⁴
• 4⁵
• 5⁵

Which is equivalent to 3⁴

• 27
• 9
• 81
• 12

Is 225 a perfect square?

• Yes
• No

Estimate the square root.

• about 9
• about 10
• about 11
• about 12

±√100

• 50
• ±10
• 10
• -25