5th Period - Complex Number

Other stuff about i

100

What is the real and imaginary part of the complex number 4 - 7i?

Real: 4

Imaginary: -7

200

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

Real: 0

Imaginary: 14i

300

sqrt(-49)

7i

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

(5 + 2i) - (3 - 7i)

2 + 9i

200

(10 + 3i) - (4 - 2i)

6 + 5i

300

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

0

400

i + (4 - 3i) - 2

2 - 2i

500

(17i + 38) + (-21i + 67)

105 - 4i

Multiplication

100

2i * i

-2

200

(-4i)(5i)

20 or -20i²

300

3(4 - 5i)

12 - 15i

400

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

21 + i

500

(12i + 28)(42 - 16i)

1368 + 56i

Other Class

100

How do you say red in Spanish?

Rojo

200

What's the only mammal that can truly fly?

A bat

300

What legal document is generally needed to register a house where the owner has given their consent?

A court order

400

What event jump-started the space race?

The USSR launching Sputnik

500

What year did JROTC become a thing?

1916

Fun Fact

100

What is a group of flamingos referred to?

A flamboyance

200

What was Spongebob's original name?

Spongeboy

300

How do most animals mark their territory?

Urination

400

What animal has three hearts and blue blood?

The octopus

500

How many numbers before 1,000 contain the letter a?

None of them, I checked. It's insane.