Graphs are a useful way to show numerical data. There are a variety of graphs that can help highlight patterns and be used to reach conclusions. Choosing the right graph is very important. Bar charts ...

A line graph is used to spot trends in data over time. In order to produce a line graph, data is required. The data often comes in the form of a table. A student recorded how much time they spent ...

A quadratic equation is drawn as a curve on a set of axes. This type of curve is called a parabola and it is symmetrical. To draw the graph we need coordinates. We generate these coordinates by ...

A special edition of the corporation’s flagship political programme from Hoddeson, Hertfordshire, was devoted to health as the sector faces multiple crises, most notably a stand-off with nurses and ...

The BBC has responded to claims that Newsnight graphs showing the number of Covid hospital patients in each nation in the UK were misleading. Social media users were quick to point out that a graph ...

How to solve simultaneous equations using graphs. How much is each ticket? Draw a bar to represent one adult and two children’s tickets. Let’s call the adult ticket 𝑦 and the child ticket 𝑥. Another ...

A travel graph is a line graph which describes a journey – it shows how distance changes with time. The distance is always distance from a particular place and the time is the time from the start of ...

Graphs are often used in everyday life to give information about how two quantities are related. The gradient and intercept of the graph can be interpreted from the graphs. Before reading this guide, ...