Complex Numbers: Definitions + Simple Ops (Add, Subtract, Mult)

Front

What letter represents an imaginary number?

Back

i

Front

(3 + 2i) + (4 - 5i)

Back

7 - 3i

Front

3i + 2i

Back

5i

Front

What does i² equal?

Back

-1

Front

How do you write a complex number?

Back

a + bi

Front

What is the real part of the complex number 5 + 3i?

Back

5

Front

What is the imaginary part of the complex number 5 + 3i?

Back

3

Front

How do you subtract complex numbers (5 + 2i) - (3 + 4i)?

Back

2 - 2i

Front

What is the product of (2 + 3i) and (1 - i)?

Back

5 + i

Front

What is the modulus of the complex number 3 + 4i?

Back

5