How to classify numbers between real and imaginary

The video tutorial introduces the concept of identifying numbers, focusing on the distinction between imaginary and real numbers. It explains imaginary numbers, particularly those involving even roots of negative numbers, and introduces the imaginary unit 'i'. Various examples of imaginary numbers are provided, including complex forms like 3i and -7 - 2i. The tutorial also covers real numbers, providing examples such as pi, fractions, and square roots of positive numbers.

Provide an example of an imaginary number and explain how it is formed.

List some examples of real numbers.