Simplify Radicals

Front

What is a radical?

Back

A radical is a symbol that represents the root of a number, most commonly the square root.

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 square factors.

Front

What is the square root of 25?

Back

5

Front

How do you simplify √125?

Back

√125 = √(25 * 5) = √25 * √5 = 5√5.

Front

What is the simplified form of √80?

Back

√80 = √(16 * 5) = √16 * √5 = 4√5.

Front

How do you simplify √18?

Back

√18 = √(9 * 2) = √9 * √2 = 3√2.

Front

What is the simplified form of √28?

Back

√28 = √(4 * 7) = √4 * √7 = 2√7.

Front

What is the square root of 169?

Back

13

Front

What is a perfect square?

Back

A perfect square is a number that can be expressed as the square of an integer.

Front

List the first five perfect squares.

Back

1, 4, 9, 16, 25.