Adding and Subtracting Radicals Explained

This video tutorial from YourTeacher.com explains how to add radical terms by ensuring the radicands are the same. It demonstrates breaking down square roots into simpler forms and combining like terms to simplify radical expressions. The tutorial provides a step-by-step approach to understanding and applying these concepts in math problems.

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What must be the same in order to add radical terms together?

• The exponents

• The radicands

• The variables

• The coefficients

What is the radicand in the term √18?

• 2

• 9

• 18

• 3

When simplifying √18, what number comes out of the radical?

• 6

• 5

• 3

• 2

What is the simplified form of 5√18?

• 5√2

• 20√2

• 15√2

• 10√2

What is the radicand in the term √8?

• 16

• 2

• 4

• 8

When simplifying √8, what number comes out of the radical?

• 3

• 2

• 4

• 5

What is the simplified form of 3√8?

• 9√2

• 6√2

• 3√2

• 12√2

What is the final simplified form of the expression 5√18 + 3√8 - √50?

• 10√2

• 15√2

• 16√2

• 21√2