Unit 1 and 2 Review

 $x^3=\frac{27}{64}$  
What does x equal?

•  $\frac{27}{64}$  

• 3

• 4

•  $\frac{3}{4}$  

 $x^2=\frac{1}{25}$  
What does x equal?

• 5

•  $\frac{1}{5}$  

• x

• 25

Simplify

 $\sqrt{120}$  

•  $10\sqrt{20}$  

•  $2\sqrt{30}$  

• 10.954...

•  $\sqrt{120}$  

 $x^2=60$  
Which expression is equivalent to x?

•  $2\sqrt{15}$  

•  $4\sqrt{15}$  

• 60

• 3600

Which of the following is NOT equivalent to x

 $x^2=96$  

•  $4\sqrt{6}$  

•  $\sqrt{96}$  

•  $2\sqrt{24}$  

•  $2\sqrt{48}$  

Which is equivalent to

 $3^{-5}$  

•  $3^5$  

•  $\frac{1}{3^{-5}}$  

•  $\frac{1}{3^5}$  

•  $-3^5$  

Simplify

 $Cube\ root\ of\ 125$  

•  $\sqrt{125}$  

• 25

• 5

•  $\frac{1}{125}$  

Simplify

 $\frac{8^2}{8^7}$  

•  $8^5$  

•  $8^9$  

•  $\frac{1}{8^5}$  

•  $8^{14}$  

Which of the following is an irrational number?

• $\sqrt{2}$

• $\sqrt{16}$

• $\sqrt{256}$

• $\sqrt{10000}$

Which of the following is a rational number?

• 17.09679423...

• $\pi$

• $\sqrt{24}$

• $\frac{20}{5}$