Simplifying Roots of Numbers

What is the simplified form of √−48?

• 4i√3

• 4√3

• -4i√3

• -4√3

What is the simplified form of √−27?

• 3i√3

• 3√3

• -3i√3

• -3√3

What is the simplified form of √−28?

• 2i√7

• 4i√2

• i√28

• 3i√3

What is the simplified form of √−45?

• 3i√5

• 5i√3

• i√45

• 9i

Simplify.

• A

• B

• C

• D

Simplify

• A

• B

• C

• D

√24

• 2√6

• 4√6

• 2√12

• 3√8

∛8 =

• 4

• 3

• 2

• 512

Tags

CCSS.8.EE.A.2

∛729

• 9

• 243

• 81

• 11

Tags

CCSS.8.EE.A.2

Between which two whole numbers is the 
√54 ?

• 5 and 6

• 10 and 2

• 7 and 8

• 3 and 4

Tags

CCSS.8.NS.A.2