Square Roots and Cube Roots

True or False. A square root of a number is a value that, when multiplied by itself, gives the number.

• True

• False

We can relate cube roots to _______________.

• Area

• Perimeter

• Volume

• Surface Area

 $Evaluate\ \sqrt{9}$  

• 4.5

• 4

• 3

• -4.5

• -3

The number inside the square root is identified as the ______________. 

Example: The 4 in the problem below.

 $\sqrt{4}$  

• Radical Symbol

• Index

• Radicand 

• The root

Evaluate.

 $∛8$  

• 2 or -2

• 2

• 3

• 4

• -2

Evaluate

 $\sqrt{-100}$  

• 10

• -10

• No Real Solution

• 50

• -50

Mike is creating a square garden. The garden will have an area of 81 square feet. What will be the length of his garden?

• 40.5 ft

• 21 ft

• 10 ft

• 16 ft

• 9 ft

Select all the perfect squares from the list below.

• $\sqrt{64}$

• $\sqrt{10}$

• $\sqrt{121}$

• $\sqrt{4}$

• $\sqrt{102}$

Estimate the

 $\sqrt{29}$  

• Between 2 and 3

• Between 3 and 4

• Between 4 and 5

• Between 5 and 6

Evaluate

 $∛-64$  

• No Real Solution

• -4

• 4

• 8

• -8