Imaginary and Complex Numbers

Multiply: 
(4 – 3i)(-7 – 2i)

•   -23 + 13i

•   -23 - 29i

•   -34 + 13i

•   -34 - 29i

Simplify: 
(10+ 15i)-(48 - 30i)

• 58 - 45i

• 58 - 15i

• -38 - 15i

• -38 + 45i

Find the sum.
(5-2i) + (-7+8i)

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

i⁷⁹

• i

• 1

• -1

• -i

Q1. What is the value of x if x = 10?

• A) 10

• B) -10

• C) 10i

• D) -10i

(3i)(-2+4i)

• -6+12i

• -12-6i

• -2+7i

• 12+6i

Calculate:
(4 − 7i) − (-3 + 6i)

• 7 − 13i

• 7 − i 

• 1 − 13i

• 1 − i 

Simplify √-28

• -√28

• -2i√7

• 2i√7

• 28i

i¹²⁹

• -i

• i

• 1

• -1

Find the sum.

(5-2i) + (-7+8i)