Learn how to simplify the root of an expression by using the product rule

The video tutorial explains the concept of square roots, using both numbers and variables as examples. It begins with a basic introduction to square roots, followed by a detailed calculation of the square root of 81. The tutorial then shifts focus to variables, explaining how to find the square root of X squared. Finally, it demonstrates how to rewrite X to the 4th as X squared times X squared, emphasizing the rules of multiplying exponents.

What is the square root of 81?

• 7

• 8

• 9

• 10

When finding the square root of X squared, what is the result?

• X

• X squared

• X cubed

• 2X

How can X to the 4th power be rewritten using X squared?

• X squared * X

• X squared * X squared

• X * X * X * X

• X cubed * X

What is the final answer when simplifying the expression involving the square root of 81 and X to the 4th?

• 9X squared

• 9X

• 81X squared

• 81X

What operation is performed on exponents when multiplying them?

• Add the powers

• Divide the powers

• Subtract the powers

• Multiply the powers