Simplify, Add and Subtract Square Roots

Simplify.

• -5i

• 5

• 5i

• -5

Leon is asked to simplify √-120. A good first step would be to...

• divide 120 by 2

• replace the negative with an i on the outside of the radical

• take the square root of -120

• graph y = √-120

Q1. What is the value of the expression?

• A) 8√6

• B) 8√12

• C) 12√6

• D) 12√12

√6 ⋅√6

• √36

• 2√3

• 12

• 6

Simplify.

• A

• B

• C

• D

• A
• B
• C
• D

• A
• B
• C
• D

• 3√2
• √6
• 6
• 2√3

• 10

• A
• B
• C
• D