Exploring Adding and Subtracting Radicals

What is the first step when adding or subtracting radicals?

• Combine all terms

• Combine like terms

• Simplify all terms

• Multiply all terms

How would you add 2√3 and 5√3?

• 7√6

• 10√3

• 3√3

• 7√3

What should you do before adding the square root of 8 and the square root of 18?

• Subtract them

• Simplify them

• Divide them

• Multiply them

What is the simplified form of √8?

• 2√2

• 4√2

• √4

• 3√2

When finding the perimeter of a 30-60-90 triangle, what should you do with like terms?

• Combine them

• Ignore them

• Divide them

• Multiply them

What is the perimeter of a triangle with sides 5√2, 5√6, and 10√2?

• 5√2 + 5√6

• 10√2 + 5√6

• 15√2 + 5√6

• 20√2 + 5√6

Tags

CCSS.7.EE.B.3

How do you subtract 3√2 from 12√2?

• 8√2

• 9√2

• 15√2

• 6√2

What is the simplified form of √12?

• 3√3

• 2√3

• 4√3

• √6

What is the result of 2√3 - √3?

• √3

• 2√3

• 0

• 3√3

What is the final simplified expression of 2√3 - √3 + 1?

• √3 + 1

• 3√3 + 1

• 2√3 + 1

• √3