Simplify the Square Root of a Negative Number

√(-300)

• 10i√3

• 15√15

• -10√3

• 2i√13

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

Simplify.

• -5i

• 5

• 5i

• -5

Another way to express √-1 is?

• 1

• -1

• i

• 0

Tags

CCSS.HSN.CN.A.1

• 10
• -10
• 10i
• -10i

Simplify.

• 
• 
• 
• 

• 10
• -10
• 10i
• -10i

Simplify.

• -5i

• 5

• 5i

• -5

Why do we get imaginary numbers?

Tags

CCSS.HSN.CN.A.1