Complex Numbers

Front

What does i² equal?

Back

-1

Front

What letter represents an imaginary number?

Back

i

Front

What is the product of (2i)(3i)?

Back

-6

Front

What is the sum of (3 + 4i) + (1 + 2i)?

Back

4 + 6i

Front

What is the conjugate of (3 + 4i)?

Back

3 - 4i

Front

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

Back

5

Front

How do you express the complex number 5 in polar form?

Back

5(cos 0 + i sin 0) or 5e^(i0)

Front

What is the result of (3 + 2i) - (1 + 4i)?

Back

2 - 2i

Front

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

Back

2

Front

What is the real part of the complex number 7 - 3i?

Back

7