Operations With Rational Exponents and Radicals

Write as a radical expression
y¹⁄ ³

• ∛y

• y³

• √y

• 1∕ 3y

Which expression with a fractional exponent best represents √7 ?

• 7 ^½

• 7¼

• 7⅓

• 2⁷

√ 64

• 4

• 6

• 9

• 8

Rewrite in radical form.

• A

• B

• C

• D

A rational exponent can be broken down by identifying the numerator as a ​ ​ (a)   and the denominator as a ​ (b)  

• power

• root

• radical

• index

What is the cube root of 8?

• 4

• 2

• -2

• -4

The number under the radical sign is called the ______.

• radical sign

• radicand

• factor

• exponent

Simplify x^-3

• -3x

• x³

• 1/ x^-3

• 1/ x³

Simplify the following expression:

• 2

• 4

• 16

• 64

Evaluate.

− ∛ 27

• 3

• -3

• 9

• -9