How to take the square root of three different types of numbers, root(4), root(18)

The video tutorial covers the basics of square, cube, and fourth roots, emphasizing the importance of understanding square numbers and their roots. It explains how to simplify non-perfect squares using methods like factor trees and products of square numbers. The tutorial also highlights the significance of memorizing square numbers for easier calculations. Finally, it discusses the simplification of the square root of 5, noting its limitations.

What is the square root of 4?

• 2

• 1

• 4

• 3

Which of the following is a method to simplify the square root of 18?

• Dividing by 2

• Using a calculator

• Breaking it into 6 and 3

• Using a factor tree

What is the simplified form of sqrt(18)?

• sqrt(9) * sqrt(2)

• 2 * sqrt(3)

• 3 * sqrt(2)

• sqrt(6) * sqrt(3)

Which of the following numbers cannot be simplified further?

• 5

• 4

• 9

• 16

Why can't the square root of 5 be simplified?

• It is a prime number

• It is not a perfect square

• It is already a square number

• It is an even number