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Before you start, it may be helpful to read the guides on coordinates and graphs from Module 2 (M2) and Module 3 (M3). When two lines are perpendicular, the product of their gradients is 1. Lines ...
GCSE WJEC Functions - Higher only – WJEC Stretches and compressions of graphs Functions of graphs can be transformed to show shifts and reflections. Graphic designers and 3D modellers use ...