2.4 Evaluate Square Roots and Cube Roots

Example 1: Evaluate Cube Roots to Solve Problems

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Introduction to Cube Roots

Watch this video to do a quick review of square roots and learn about cube roots.

TI-30XIIS

This video shows you how to enter a cube root on the TI-30XIIS calculator.

Desmos Scientific Calculator

This video shows you how to use the Desmos calculator to find the cube root of numbers.

Example 2: Evaluate Perfect Squares and Perfect Cubes

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Intro to Square Roots

Watch this video to learn about the principal root, what it means to find the square root and how to solve simple square root equations.

Example 3: Evaluate Square Roots to Solve Problems

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Key Concept

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A-2.4 Examples

Watch the video to see examples with square and cube roots.

A2.4XL Examples 6 and 7

Watch this video to see examples where you use the area to find the perimeter and you use area and volume to see if a poster would fit in a box.

A2.4XL Example 9

Watch this video to see an example of perfect squares, perfect cubes and area to see if blocks can fit into holes on a toy.