Mastering Adding and Subtracting Radicals

What is the simplified form of the square root of 12?

• 2√3

• √6

• 4√3

• 3√2

When adding or subtracting radical expressions, what must be the same?

• The exponents

• The bases

• The values within the radicals

• The coefficients

What is the result of 3√3 - 3√3?

• 3√3

• 0

• √3

• 6√3

How do you simplify the square root of 8?

• √8

• 2√4

• 4√2

• 2√2

What is the simplified form of 6√2 + 3√2?

• 12√2

• 3√2

• 9√2

• 6√2

What is the simplified form of the square root of 45?

• 2√5

• 3√5

• 6√5

• 5√3

What is the result of 9√2 + 6√3 + 6√3?

• 15√3

• 15√2

• 9√2 + 12√3

• 9√2 + 6√3

What is the simplified form of 3√18?

• 3√2

• 9√2

• 6√2

• 12√2

What is the result of combining -3√5 and -√5?

• -4√5

• -2√5

• -3√5

• -5√5

What should you do if there are no perfect squares in the radicals?

• Combine the coefficients

• Leave the radicals as they are

• Multiply the radicals

• Divide the radicals