Simplifying Expressions with Imaginary Unit

Solve.   x² = √-36

• x = ± 6

• x = 6i

• x = ± 6i

• x = i√6

Solve    x² = √-25

• x = -5

• x = ± 5i

• x = √5

• x = ± 5

Solve.   x² = √-40

• x = 4i√10

• x = ± 2√10

• x = ± 2i√10

• x = ± 10i√2

Solve.  x² = √-45

• x = ± 3√5

• x = 9i√5

• x = ± 9√5

• x = ± 3i√5

• A.
• B.
• C.
• D.

Another way to express √-1 is?

• 1

• -1

• i

• 0

• -15i

• 15i

• -15

• -161.25

• A.
• B.
• C.
• D.

What does i² =  ?

• 1

• -1

• √-1

• √1

Identify the correct simplified power of 𝑖. Select all that apply.