Adding and Subtracting Radicals

Front

What is a radical in mathematics?

Back

A radical is an expression that includes a root, such as a square root (√) or cube root (∛).

Front

How do you simplify √a + √a?

Back

You combine like terms: √a + √a = 2√a.

Front

What is the result of adding 3√5 + 2√5?

Back

The result is 5√5.

Front

What is the result of subtracting 4√2 - 2√2?

Back

The result is 2√2.

Front

Can you add √3 and √5? Why or why not?

Back

No, you cannot add √3 and √5 because they are not like terms.

Front

What is the first step in adding radicals?

Back

Identify and combine like terms.

Front

What is the result of 5√7 - 3√7?

Back

The result is 2√7.

Front

How do you subtract 6√2 - 4√2?

Back

You combine like terms: 6√2 - 4√2 = 2√2.

Front

What is the result of 2√3 + 3√3?

Back

The result is 5√3.

Front

What does it mean for radicals to be like terms?

Back

Radicals are like terms if they have the same radicand (the number under the root).