The area under a curve can be estimated by dividing it into triangles, rectangles and trapeziums. If we have a speed-time or velocity-time graph, the distance travelled can be estimated by finding ...

Save guides, add subjects and pick up where you left off with your BBC account. The questions in this quiz are suitable for GCSE maths students studying real-life graphs, distance-time and ...

In a country like the United States, with its 330 million people, the curve could steepen for a long time before it started to slow. [ Mapping the spread of the coronavirus in the U.S. and worldwide ] ...