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 ...
If two values are inversely proportional, this means that as one value increases the other decreases. Speed and time can be inversely proportional; as the speed increases, time taken to complete the ...