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 ...
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 ...