Complex Numbers (Add & Subtract)

Front

What does i^2 equal?

Back

-1

Front

Subtract (-6 + 2i) - (√49 - i)

Back

-13 + 3i

Front

Add/Subtract using the proper rules: 2i + 3 + 7 - 12i

Back

-10i + 10

Front

Simplify √-23

Back

i√23

Front

How do you write a complex number?

Back

a + bi

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

i is defined as the square root of -1.

Front

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

Back

4 + 2i

Front

What is the difference of (5 + 6i) and (2 + 3i)?

Back

3 + 3i

Front

How do you multiply two complex numbers (a + bi)(c + di)?

Back

(ac - bd) + (ad + bc)i