Operations with Complex Numbers

Simplifying Negative Radicals

200

Simplify: 

sqrt(-36)

What is 

6i

300

Simplify: 

2sqrt(-49)

What is:

14i

400

Simplify: 

3sqrt(-144)

What is: 

36i

500

Simplify: 

sqrt(-45+21)

What is: 

2isqrt(6)

600

Simplify: 

-4sqrt(-60-12)

What is: 

-24isqrt(2)

Adding Complex Numbers

200

Simplify:

(4i)+(2i)

What is:

6i

300

Simplify:

(4+2i)+(7+5i)

What is:

11+7i

400

Simplify:

(5-3i)+(-7-9i)

Simplify:

-2-12i

500

Simplify:

(3-4i)+(7-8i)

What is:

10-12i

600

Simplify:

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

What is:

2

Subtracting Complex Numbers

200

Simplify:

(8i)-(3i)

What is:

5i

300

Simplify:

(3+9i)-(3+2i)

Simplify:

7i

400

Simplify:

(3+9i)-(3+2i)

What is:

7i

500

Simplify:

(-3+4i)-(9-2i)

What is:

-12+6i

600

Simplify:

(-7-4i)-(-8-9i)

What is:

1+5i

Multiplying Complex Numbers

200

Simplify:

(3i)(7i)

What is:

-21

300

Simplify:

3(-2+7i)

What is:

-6+21i

400

Simplify:

6i(3-8i)

What is:

48+18i

500

Simplify:

(3+i)(-5+3i)

What is:

-18+4i

600

Simplify:

(sqrt(4)+3i)(2sqrt(25)-4i)

What is:

32+22i

Random

200

Trivia Question: What are the names of Cinderella’s stepsisters?

Anastasia and Drizella

300

Which country invented ice cream?

China

400

What part of your body has the most bones?

The Hands

500

What Country is Bluey from?

Australia

600

What year was Instagram founded?

2010