Learn How to Simplify a Radical by Factoring, Root(40)

The video tutorial explains how to simplify radicals using factoring. It begins with an introduction to the concept of simplifying radicals and then delves into understanding squares and square roots. The instructor demonstrates manipulating square roots and verifying the results. The final section focuses on factoring numbers to simplify radicals, providing a step-by-step breakdown of the process.

What does it mean to square a number?

• To divide the number by itself

• To multiply the number by itself

• To subtract the number from itself

• To add the number to itself

Which of the following is equivalent to sqrt(2) * sqrt(2)?

• 2

• 4

• sqrt(4)

• sqrt(8)

What is the result of sqrt(2) * 2?

• 2

• 4

• sqrt(4)

• sqrt(8)

How can the number 40 be factored under a square root?

• 5 * 8

• 4 * 10

• 2 * 20

• 2 * 2 * 2 * 5

What is the simplified form of sqrt(40)?

• sqrt(20)

• 2 * sqrt(5)

• 4 * sqrt(5)

• 2 * sqrt(10)