Exponent Rules and Radicals Test Review

 $x^{-5}$  =

•  $\frac{1}{x^{-5}}$  

•  $\frac{1}{x^5}$  

•  $\frac{x^5}{1}$  

•  $\frac{x^{-5}}{1}$  

Simplify the following radical: √32

• 3√2
• 4√8
• 16√2
• 4√2

√125

• 5√5
• 25√5
• 5√25
• 5√2

Write in exponential form

∛x⁷

• x^7/3

• x^3/7

• 3x⁷

• 7x³

Write as a radical expression
y²⁄ ³

• 2y³
• √y³
• ∛y²
• 3y²

Tags

CCSS.HSN.RN.A.2

Simplify . Your answer should contain only positive exponents.  $\frac{a^2b^0}{3a^4}$  

•  $1$  

•  $\frac{1}{3a^2}$  

•  $\frac{a^2}{3a^4}$  

•  $\frac{1}{3a^4}$  

Tags

CCSS.8.EE.A.1

15y² . (2y)³

• 120y⁵
• 120y⁶
• 30y⁵
• 30y⁶

Tags

CCSS.HSA.APR.A.1

(xy²z³)⁴

• x⁴y⁸z¹²

• x⁴y⁶z⁷

• x⁵y⁶z⁷

• x⁵y⁸z¹²

Tags

CCSS.HSA.APR.A.1

Simplify the following radical: √150

• 5√15
• 5√2
• 5√6
• 15√5

According to exponent rules, when we multiply bases we _______ the exponents.

• add

• subtract

• multiply

• divide

Tags

CCSS.8.EE.A.1