What is a line graph? A line graph connects various ... In sum, it is the average return calculated over a time period of interest to the investor. Learn More: Average return How do you build ...

A journey describes the motion of an object over time. A journey can be represented using a distance-time graph. The graph will ... the concept of average speed. So let's say that you decide ...

Speed = gradient of distance-time graph = 7. 5 m/s. The speed of the car over the first 4 seconds = 7. 5 m/s. The slope of the line changes over the 10 seconds and so to work out the average speed ...