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An inequality?. An INEQUALITY shows a relationship between two variables, usually x
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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