Complex Numbers and Imaginary

• 6

• -6

• -6i

• 6i

Calculate: 
-12i + 7i

• 19i

• -19i

• 5i

• -5i

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

• -60i

• 60

• -60

• 60i

(3i)(-2+4i)

• -6+12i

• -12-6i

• -2+7i

• 12+6i

Simplify √-28

• -√28

• -2i√7

• 2i√7

• 28i

Which expression is equivalent to (-6 + i)²?

• 36 - 12i

• 35 - 12i

• 36i²

• 35i

Multiply:

(4 – 3i)(-7 – 2i)

• -23 + 13i

• -23 - 29i

• -34 + 13i

• -34 - 29i

Simplify.

• A

• B

• C

• D

Multiply (-2 + 7i)(-2 + 2i) and simplify completely.

• -10 + 8i

• -10 - 18i

• 18 - 10i

• -18 - 10i