Tutorial - How do we multiply complex numbers ex 10, -i(4 - 8i)

The video tutorial explains how to multiply complex numbers using the distributive property. It begins with an introduction to complex numbers and imaginary units, followed by a detailed explanation of applying the distributive property in complex multiplication. The tutorial provides a step-by-step example of multiplying complex numbers and concludes with simplifying the result and writing it in standard form.

What is the value of I squared in complex numbers?

• -1

• 0

• 1

• I

When applying the distributive property, what is the result of multiplying negative I by 4?

• 4I

• -4I

• 4

• -4

What is the result of multiplying negative I by 8I?

• 8I

• 8I squared

• -8I

• -8I squared

How do you represent the product of 8 times I squared?

• 8

• -8

• 0

• 1

What is the standard form of the solution after rearranging?

• 8 + 4I

• -8 - 4I

• 4 - 8I

• -4 + 8I