Square Roots of Complex Numbers

√(-300)

• 10i√3

• 15√15

• -10√3

• 2i√13

Another way to express √-1 is?

• 1

• -1

• i

• 0

Tags

CCSS.HSN.CN.A.1

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

√-36

• 6

• -6

• -6i

• +6i and -6i

James is trying to find the square root of the product of -108 and the square of the imaginary unit (i). What is the simplified form of the result?
√(-108)

• 3i√6

• 3i√20

• 6i√3

• 20i√3

• -2

• 2

• 2i

• No solution

√-4

• -2

• -2i

• 4

• 2i

• 5i
• -5i
• 5+i
• -5