Adding two radical expressions - Express math help - Free teacher

The video tutorial explains how to add radicals by comparing them to adding like terms. It covers the process of simplifying radicals using factoring techniques and emphasizes the importance of pairing numbers under square roots. The tutorial concludes by demonstrating how to combine like radicals by adding their coefficients.

What is necessary for two radicals to be added together?

• They must have the same coefficient.

• They must have the same number under the square root.

• They must be negative.

• They must be positive.

What technique is used to simplify radicals in the video?

• Synthetic division

• Long division

• Factoring tree

• Completing the square

When simplifying the square root of 12, which pair of numbers is used to simplify it?

• 3 and 3

• 2 and 2

• 2 and 6

• 3 and 4

What is the simplified form of the square root of 75?

• 5 sqrt 3

• 3 sqrt 5

• 5 sqrt 5

• 3 sqrt 3

How do you combine the radicals -2 sqrt 3 and 5 sqrt 3?

• Add the coefficients

• Multiply the coefficients

• Subtract the coefficients

• Add the numbers under the square root