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

Front

What letter represents an imaginary number?

Back

i

Front

Back

True

Front

How do you write a complex number?

Back

a + bi

Front

Simplify: 11 + 29i

Back

11 + 29i

Front

Back

-15

Front

What is the real part of the complex number 4 + 7i?

Back

4

Front

What is the imaginary part of the complex number 4 + 7i?

Back

7

Front

How do you add two complex numbers, (2 + 3i) and (4 + 5i)?

Back

(2 + 3i) + (4 + 5i) = 6 + 8i

Front

How do you subtract two complex numbers, (5 + 2i) and (3 + 4i)?

Back

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

Front

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

Back

(2 + 3i)(1 - 2i) = 8 + i