Education Technology

Algebra 2: Living on the Edge
by Texas Instruments

Published on August 27, 2011

Overview

Students build a solution to a rather complex problem: Finding the edge length of an octahedron given its volume by solving two simpler problems first.

Key Steps

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    Students build a solution to a rather complex problem—finding the edge length of an octahedron given its volume—by solving two simpler problems.

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    First, students find a formula for the edge length of a square given its area.

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    Students write an equivalent formula with fractional exponents and substitute values to find the edge length of a particular square.