Radicals Vocabulary

The number or expression inside a radical symbol.

• index

• rational expression

• radicand

• radical

This symbol is used to indicate a positive square root. What is it?

Fill in the blank: The five represents the________.

Fill in blank: In a radical expression, the index of 2 means _____________.

The number below the radical

• Hypotenuse

• Radicand

• Pythagorean Theorem

• Legs

• Cosine

√10

• Rational

• Irrational

Used to give exact answers instead of approximations in decimal form.

• Surds

• Estimate

• Range

• Radical

Number 1 represents . . .

• Radicand

• Root

• Index

• Radical

Number 2 represents . . .

• Radicand

• Root

• Index

• Radical

Number 3 represents . . .

• Radicand

• Root

• Index

• Radical