Adv Math: 1.3 part 2

Adv Math: 1.3 part 2

Multiple Choice

Simplify:  $\sqrt{5}+6\sqrt{20}$  

•  $6\sqrt{25}$  

•  $30$  

•  $13\sqrt{5}$  

•  $12\sqrt{5}$  

Multiple Choice

Simplify:  $3\sqrt{80x}-4\sqrt{45x}$  

•  $0$  

•  $-\sqrt{35x}$  

•  $5\sqrt{7x}$  

•  $-x\sqrt{35}$  

Multiple Choice

Write

 $\frac{2\sqrt{3}}{3\sqrt{10}}$ in simplest form. 

•  $\frac{2}{\sqrt{10}}$  

•  $\frac{1}{\sqrt{5}}$  

•  $\frac{\sqrt{5}}{5}$  

•  $6\sqrt{6}$  

Multiple Choice

Write  $\frac{7}{2+\sqrt{3}}$  in simplest form.

•  $\frac{7\sqrt{3}}{5}$  

•  $14-7\sqrt{3}$  

•  $\frac{7}{8}$  

•  $7\sqrt{3}-14$  

Fill in the Blank

What is the cube root of -216?

Fill in the Blank

Multiple Choice

Multiple Choice

Write  $9^{\frac{5}{2}}$  as a radical.

Multiple Choice

 $x\sqrt{\left(5y\right)^9}=x\left(5y\right)^?$   Which number should replace the question mark?

•  $9$  

•  $\frac{9}{2}$  

•  $\frac{2}{9}$  

•  $\frac{1}{9}$  

Multiple Choice

 $\left(8x\right)^{\frac{1}{3}}\left(14x^{\frac{6}{5}}\right)=28x^?$    What number should replace the question mark? 

•  $\frac{6}{15}$  

•  $\frac{18}{15}$  

•  $\frac{23}{15}$  

•  $\frac{7}{8}$