Algebra 2 - Why do we rationalize the denominator with complex numbers, (6 + 8i)/9i

The video tutorial covers various number systems, including integers, square numbers, irrational numbers, and imaginary numbers. It explains the concept of irrational numbers and how they differ from rational numbers. The tutorial also demonstrates techniques for rationalizing denominators and introduces operations with imaginary numbers, emphasizing the importance of understanding these concepts in mathematics.

What is the result of dividing 4 by 2?

What do we call the square root of 2?

Why can't we divide a rational number by an irrational number?

What technique is used to rationalize the denominator?

How do we represent the imaginary unit in mathematical terms?