Complex Numbers & Quadratic Functions Review

Solve for x: 

• x = {-4, -1}

• x = {-1, -4}

• x = {2+i, 2-i}

• x = {-2+i, -2-i}

i⁵²

• i

• -i

• 1

• -1

i⁶⁶

• 1

• i

• -1

• -i

i¹³

• -1

• 1

• i

• -i

Simplify:
(3 + 2i) + (4i + 6)

• 9 + 6i

• 7i + 8

• 9 + 6i²

• 9 - 6i

Simplify:
-3i(4 + 2i)

• 6 - 12i

• 6 + 12i

• -12i - 6i²

• -12i + 6i²

Simplify:
(2 - 3i)(5 + 4i)

• 22 - 7i

• 22 + 7i

• 22 - 7i²

• 22 + 7i²

Simplify.

• -5i

• 5

• 5i

• -5

• A

• B

• C

• D

• A

• B

• C

• D