In this graph, 𝑥 and 𝑦 are directly proportional. This means that when 𝑥 doubles, 𝑦 also doubles, and when 𝑥 triples, so does 𝑦. In fact, for all coordinates on this line, you could multiply or ...
Foundation GCSE requires that students can draw and later recognise graphs representing relationships in direct or inverse proportion. In each example, if a student works out a conversion for ONE ...
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