Learn How to Simplify the Square Root of a Large Number, Sqrt(128)

The video tutorial explains how to find the square root of 128 using two methods: prime factorization and recognizing square numbers. The prime factorization method involves breaking down the number into its prime factors and grouping them to simplify the square root. The alternative method uses the knowledge of square numbers to simplify the process. The tutorial also briefly mentions cube roots and provides a step-by-step explanation of each method, emphasizing the importance of understanding both approaches for solving square root problems.

What is the first step in finding the square root of 128 using prime factorization?

• Subtract 10

• Divide by 2

• Multiply by 4

• Divide by 3

When using prime factorization, what do you do with pairs of numbers?

• Add them together

• Multiply them

• Take them out of the square root

• Divide them by 2

Which of the following is a prime factor of 128?

• 3

• 5

• 2

• 7

What is the square root of 64?

• 9

• 6

• 8

• 7

What is an alternative method to prime factorization for finding the square root of 128?

• Using cube roots

• Using square numbers

• Using logarithms

• Using addition