Powers of a Complex Number

Another way to express √-1 is?

• 1

• -1

• i

• 0

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

• i

• -1

• -i

• 1

Simplify i³⁸

• 1

• i

• -i

• -1

• 1

• i

• -1

• -i

• i

• 4

• 1

• -1

• 1

• -i

• i

• -1

• 0

• -i

• 1

• i

Simplify.

• A

• B

• C

• D

Simplify

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