Complex Numbers

Square Roots

100

√-16

4i

200

-√-46

-i√46

300

2√-90

6i√10

400

8+√-40

8+2i√10

500

11-√-176

11-4i√11

Addition/Subtraction

100

21+6

27

200

(6x+5)-4

6x+1

300

(5i+3)+(3i+6)

8i+9

400

(21j+15)-(30j-6)

-9j+21

500

-8.2i+(5.2-7.8i)

5.2-16i

Multiplication

100

2i·4

8i

200

6i·7i

42i²

300

10i(-4+3i)

-30-40i

400

(5+8i)(5-8i)

89

500

(10+5i)(10-5i)

125

Division

100

2/2i

-1

200

4i/-i

-4

300

5+3/2+2i

2-2i

400

4-2i/-2+3i

-14/13-8i/13

500

8i-9/-6i-9i

8/15+3i/5

Preuss Trivia

100

What year was Preuss founded?

1999

200

What is the first name of the principal?

Matthew

300

What is the name of the Preuss gymnasium?

Walton Center

400

Who is the longest working teacher at Preuss?

Dr. Weber

500

What is the name of the Preuss library?

The Helen K. Copley Media Center