Radical Expressions

Front

What is a radical expression?

Back

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

Front

How do you simplify √a*b?

Back

You can simplify √a*b by separating the square root: √a * √b.

Front

What is the square root of 16?

Back

4

Front

What is the square root of 25?

Back

5

Front

Simplify √40.

Back

2√10

Front

Simplify √24.

Back

2√6

Front

What does it mean to rationalize the denominator?

Back

Rationalizing the denominator means to eliminate any radicals from the denominator of a fraction.

Front

How do you rationalize the denominator of 1/√2?

Back

Multiply the numerator and denominator by √2 to get √2/2.

Front

What is the cube root of 27?

Back

3

Front

What is the value of √(x^2)?

Back

|x| (the absolute value of x).