General form of a quadratic inequality outlined,some examples of where quadratic inequalities arise in real life mentioned. Worked example of forming and solving a quadratic inequality in order to determine the range of prices of flashlights for a company to make profit/loss. Solutions checked.

Quadratic Inequalities (Introduction and Example 1) (MathsCasts)

These MathsCasts were produced by the mathematics support centres at Swinburne University, the University of Limerick and Loughborough University. They were part of a collaborative research project to develop high quality resources and investigate the effectiveness of MathsCasts to support mathematics learning. The full set of resources are available at http://commons.swin.edu.au/s/mathscasts MathsCasts are licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License

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Quadratic Inequalities (Introduction and Example 1) (MathsCasts)

Quadratic Inequalities (Introduction and Example 1) (MathsCasts)