SIMPLIFY RADICAL EXPRESSIONS11.2

Radical Expression• An expression that contains a radical.• A radical is a square root, cube root, or other root.

Radical sign

Simplify Radical Expressions• Must know you your first 10 perfect squares.• Remember • Remember as long as • Remember • No perfect square factors other than 1 are in the radicand.

• No fractions are in the radicand.• No radicals appear in the denominator of a fraction.

Examples

Basic Operations with Radicals

Radical Functions• A function that contains a radical expression with the

independent variable in the radicand.•

• If the radical is a square root, then the function is a square root function.

Parent Graph for Square Root Function

Homework

•Page 713 #3, 7, 9, 17, 19, 23, 25•Page 3-21 odd, 27-53 odd