Complex Numbers (operations practice)

Front

What does i² equal?

Back

-1

Front

Simplify 3i + 2i

Back

5i

Front

What is the result of simplifying 5i?

Back

5i

Front

Simplify √-28

Back

2i√7

Front

What is the definition of a complex number?

Back

A complex number is a number that can be expressed in the form a + bi, where a and b are real numbers and i is the imaginary unit.

Front

What is the imaginary unit 'i'?

Back

The imaginary unit 'i' is defined as √-1.

Front

What is the result of i³?

Back

-i

Front

What is the result of i⁴?

Back

1

Front

How do you add complex numbers?

Back

To add complex numbers, combine the real parts and the imaginary parts separately.

Front

What is the result of (2 + 3i) + (4 + 5i)?

Back

6 + 8i