Cubes and Cube Roots Wednesday, February 25 th. Objective The student will be able to simplify a cube root.

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Presentation transcript:

Cubes and Cube Roots Wednesday, February 25 th

Objective The student will be able to simplify a cube root.

Cube Roots

What does cube root mean? The cube root of a number is… …the value when multiplied by itself three times gives the original number.

Cube Root Vocabulary index radicand radical sign

Perfect Cubes If a number is a perfect cube, then you can find its exact cube root. A perfect cube is a number that can be written as the cube (raised to third power) of another number.

What are Perfect Cubes? 1 3 = 1 x 1 x 1 = = 2 x 2 x 2 = = 3 x 3 x 3 = = 4 x 4 x 4 = = 5 x 5 x 5 = 125 and so on and on and on…..

Examples: because

Examples: