Radicals

Simplify.

 $\sqrt{20}$  

•  $2\sqrt{10}$  

•  $2\sqrt{5}$  

•  $4\sqrt{5}$  

•  $10\sqrt{2}$  

In the expression, n is called the __________.

• base

• exponent

• index

• radical

Tags

CCSS.HSN.RN.A.2

 $a^{\frac{x}{y}}$  In writing the given expression as radicals, x becomes the _______.

• base

• exponent

• index

• radical

In writing the given expression as rational exponent , a becomes the _______.

• base

• exponent

• index

• radical

Tags

CCSS.HSN.RN.A.2

 $\sqrt{\frac{5}{4}}=\frac{5}{2}$  The statement is _________.

• true

• false

 $\left(-8\right)^{\frac{2}{3}}$  Evaluate the expression.

• 4

• -4

• 1/4

• -1/4

 $\left(-128\right)^{\frac{3}{7}}$  Evaluate the expression.

• 8

• -8

• 1/8

• -1/8

Simplify.

 $\sqrt{45}$  

•  $9\sqrt{5}$  

•  $5\sqrt{9}$  

•  $3\sqrt{5}$  

•  $3\sqrt{15}$  

Simplify.

 $3\sqrt{16}$  

•  $12$  
  

•  $\sqrt{12}$  

•  $48$  

•  $3\sqrt{4}$  

Simplify.

 $\sqrt{200}$  

•  $10\sqrt{2}$  
  

•  $50\sqrt{2}$  

•  $2\sqrt{10}$  

•  $2\sqrt{50}$