Radicals and Roots

√ 64

• 4
• 6
• 9
• 8

-√400

• 200

• -200

• -20

• 20

• not real

What is the cube root of 8?

• 4
• 2
• -2
• -4

What is the cube root of 64?

• 2
• 4
• 8
• 16

Which expression with a fractional exponent best represents √7 ?

• 7 ^½
• 7¼
• 7⅓
• 2⁷

What is the value of 27^⅓?

• 27
• 9
• 3
• 1/3

8^1/3 = ?

• 2.666

• 2

• 8.333

4^3/2 = ?

• 6

• 8

• 5.5

8^2/3 = ?

• 26 / 3

• 4

• 16 / 3

Simplify the following expression:

• 16
• 32
• 40
• 64