Add and Subtract Radicals

Front

Simplify -10√11 - 11√11

Back

-21√11

Front

Simplify -3√6 + 3√6

Back

0

Front

Simplify 3√5 + √20 - √45

Back

2√5

Front

Simplify 3√8 + 3√2

Back

9√2

Front

Simplify 3√6 - 4√6

Back

-√6

Front

What is a radical?

Back

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

Front

How do you add radicals?

Back

You can add radicals by combining like terms, which means adding the coefficients of the same radical.

Front

What does it mean to simplify a radical?

Back

To simplify a radical means to express it in its simplest form, removing any perfect squares from under the radical sign.

Front

What is the square root of 20 simplified?

Back

2√5

Front

What is the square root of 45 simplified?

Back

3√5