Simplify the 4th Root | 3 Examples

The video tutorial explains how to handle expressions involving roots, particularly focusing on 4th roots. It addresses common student confusions with negative numbers and roots, and provides step-by-step examples to simplify expressions. The tutorial covers breaking down complex roots, using power rules, and handling expressions with variables. It concludes with a call to action for viewers to engage with the content.

What should you remember when you see a negative sign outside a radical?

• It suggests the result will always be positive.

• It does not affect the ability to take the root of the number inside.

• It indicates you cannot take the root of the number.

• It means the number inside the radical is negative.

How can 81 be expressed as a power of 3?

• 3 to the power of 3

• 3 to the power of 2

• 3 to the power of 5

• 3 to the power of 4

What is the 4th root of 64?

• 4

• 2

• 16

• 8

When simplifying A to the 18th power using the 4th root, what is the resulting expression?

• A to the 18th

• A to the 16th

• A to the 4th

• A squared

How can you rewrite 16 to simplify expressions involving the 4th root?

• As 2 to the 2nd power

• As 2 to the 3rd power

• As 2 to the 4th power

• As 2 to the 5th power