Adding Subtracting Imaginary and Complex Numbers

Simplify.

• -5i

• 5

• 5i

• -5

(4 - 2i) - (3 + 6i)

• 7 - 4i

• 1 + 4i

• 1 - 8i

• 7 - 8i

(-7 + 9i) + (2 - 10i)

• -5 + i

• -5 - i

• -9 + 1

• 9 - i

• 
• 
• 
• 

Simplify: 
(10+ 15i) - (48 - 30i)

• 58 - 45i

• 58 - 15i

• -38 - 15i

• -38 + 45i

How are you feeling about Operations on Complex Numbers (Adding, Subtracting, & Multiplying)?

• Complex Numbers??? I NEED HELP!!!

• I can do these with some help and need some extra practice.

• I'm pretty confident and can do these on my own.

• I could teach a class on this!

Simplify: √-64

• -8

• 8i

• -8i

• 8

Calculate:
(4 − 7i) − (-3 + 6i)

• 7 − 13i

• 7 − i 

• 1 − 13i

• 1 − i 

Calculate: 
(1 − 2i) + (-4 + 2i)

• -3

• -3 − 4i

• 5 − 4i

• 5

Calculate:
i + 6i

• 6i²

• 7i

• 5i

• 7i²