2nd Period - Complex Number

Other stuff about i

100

What is the real and imaginary part of the complex number 5 - 2i?

Real: 5

Imaginary: -2

200

What is the real and imaginary part of the complex number 14i?

Real: 0

Imaginary: 14i

300

sqrt(-300)

10isqrt(3)

400

What is the real and imaginary part of the complex number 19 - 2i

Real: 19

Imaginary: -2i

500

sqrt(-289)

17i

Addition/Subtraction

100

(2i + 2i)

4i

200

(3 + 4i) + (1 + 2i)

4 + 6i

300

(12 - 42i) + (-12 + 42i)

0

400

(-8 - 7i) - (5 - 4i)

-13 - 3i

500

(10 - 9i) - (-13 + 3i)

23 - 12i

Multiplication

100

2i * i

-2

200

(2i + 7)(4i)

-8 + 28i or 8i² + 28i

300

(7i)(6i)

-42 or 42i²

400

(3 + 2i)(5 - 3i)

21 + i

500

26(4i)(7i)

-728

Other Class

100

What is the study of society?

Sociology

200

When did the great depression start?

1929

300

What continents are Russia a part of?

Europe and Asia

400

How long do bears hibrenate?

5-7 months

500

What is Avagadro's number (the conversion number for moles in chemistry)?

6.02 * 10²³

Fun Fact

100

Most investors are above what height on average? (within 2 inches)

6'1"

200

How many women have been...uh...put down? Yeah, put down by Jack the Ripper?

5

300

What is glass made of?

Quartz sand

400

What is the average number of times a person farts a day?

7-15 times

500

Give an NBA player 7'6" or taller.

Yao Ming, Manute Bol, Gheorghe Muresan, Shawn Bradley, Tacko Fall