Learn How to Multiply Two Radical Expressions and Simplify the Product

The video tutorial explains how to multiply variables with the same index, focusing on the example of 9 squared. It introduces the identity element, particularly in the context of square roots, and demonstrates how to simplify expressions by rewriting exponents. The tutorial provides two methods for rewriting Y to the 5th as terms squared and applies the identity element to simplify expressions. The lesson concludes with a prompt for students to prepare for the next steps.

What is the result of multiplying 9 by 9?

• 9

• 81

• 18

• 27

Which of the following is a correct way to express Y to the 5th power?

• Y^5

• Y^4 * Y

• Y^2 * Y^2 * Y

• Y^3 * Y^2

How can Y^2 raised to the second power be expressed?

• Y^6

• Y^5

• Y^4

• Y^3

What is the square root of 9 squared?

• 27

• 9

• 81

• 3

What is the square root of X squared?

• X^3

• X^2

• X

• 2X