Simplifying the Square Root of a Number, Root(99)

The video tutorial covers simplifying square roots, starting with a discussion on homework and grading. The teacher explains the concept of square numbers and demonstrates how to break down numbers into square roots using examples, such as simplifying sqrt 99 by identifying square factors.

Why is it important to write down answers even if you missed the quiz?

• To ensure you have a record of your learning

• To avoid doing the quiz later

• To share answers with friends

• To skip future quizzes

What is a square number?

• A number that can be divided by 2

• A number that can be multiplied by itself to get a perfect square

• A number that is always odd

• A number that is always even

Which of the following is a square number?

• 16

• 12

• 8

• 20

How can you simplify the square root of 99?

• By breaking it into 9 * 11

• By dividing it by 3

• By adding 9 and 11

• By subtracting 9 from 99

What do you do with a number under the radical that is not a square number?

• Add it to the square number

• Divide it by 3

• Leave it under the radical

• Multiply it by 2