The Relationship between Variables (Part II)

This article is a continuation from Part I, which discusses about direct proportion. Inverse ProportionTwo sets of readings for the quantities x and y are given in the table below.x34612y4321Here, when x is doubled, y is halved; when x is trebled, y is one-third its previous value and so on.We say that y is inversely proportional to x, or y varies inversely as x, that is The graph of y versus x