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 ...

Spotting variables which are in direct proportion from a table of values. Plotting these values onto a set of axes, to identify the link to a straight line graph passing through the origin.

Understand the gradient of a line as the rate of change of two variables and calculate rates of changes. A bundle is a package of resources grouped together to teach a particular topic, or a series of ...