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Understanding Inequalities and Regions in Mathematics

Learn about inequalities showing the relationship between variables x and y. Write, draw, and interpret inequalities graphically to identify regions. Prior knowledge of plotting straight line graphs is essential.

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Understanding Inequalities and Regions in Mathematics

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    1. Inequalities & Regions OCR Module 8

    2. An inequality? An INEQUALITY shows a relationship between two variables, usually x & y Examples y > 2x + 1 y < x 3 3x + 4y = 12

    3. What are you required to do? Read a graph and write down the inequalities that contain a region Draw inequalities and indicate the region they describe You need to know how to plot straight line graphs [covered in Stage 7]

    4. For example

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