Lesson 20-1: Radical Expressions (1/14)

What do we call the following symbol?

 $\sqrt{ }$  

• radicand

• square root

• cube root

Tags

CCSS.HSN.RN.A.2

CCSS.HSN.RN.A.1

All the following are perfect squares except for which one?

• 81

• 121

• 100

• 198

What is the square root of 4?

• 9

• 4

• 2

• 10

Tags

CCSS.HSN.RN.A.2

Which statement is NOT true?

• $\sqrt{169}=13$

• $\sqrt{225}=15$
  

• $\sqrt{16}=8$
  

• $\sqrt{289}=17$
  

True or False? 

 $\sqrt{49}=7$   

• True

• False

Tags

CCSS.6.EE.A.4

True or False? 

 $\sqrt{120}=11$   

• True

• False

Tags

CCSS.6.EE.A.4

CCSS.6.EE.B.5

Simplify the expression.

• 
• 
• 
• 

Tags

CCSS.HSN.RN.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

Simplify the expression.

• 
• 
• 
• 

Tags

CCSS.HSN.RN.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

Simplify the expression.

• 
• 
• 
• 

Tags

CCSS.HSN.RN.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

Simplify the expression.

$80^{\frac{1}{2}}$

•  $4\sqrt{5}$ 
  

•  $\sqrt{80}$ 
  

•  $5\sqrt{4}$ 

•  $2\sqrt{20}$ 

Tags

CCSS.HSN.RN.A.2