Rationalizing the denominator with a radical

The video tutorial explains irrational numbers, using π as an example, and discusses the properties and simplification of radicals. It covers how to multiply radicals and maintain fraction integrity during multiplication, emphasizing the importance of keeping fractions true by multiplying both the numerator and denominator.

What is an example of an irrational number that cannot be expressed as a fraction?

• 2

• 3.5

• π

• 1/2

What happens when you multiply sqrt(3) by itself?

• You get 6

• You get 3

• You get 9

• You get 1

Why is it important to multiply both the numerator and the denominator by the same radical?

• To make the fraction smaller

• To make the fraction larger

• To keep the fraction equivalent

• To change the value of the fraction

What is the result of multiplying 4 by sqrt(3)?

• 4

• 3

• 12

• 4 * sqrt(3)

How can you express 4 divided by sqrt(3) in a simplified form?

• 4/3

• 4 * sqrt(3)

• 4/3 * sqrt(3)

• 4 * 3