You are looking at a graph of the motion of a vehicle. On the y-axis is displacement and on the x-axis is time. Which of the following is the independent variable?

When looking at velocity in terms of distance and time, what is the independent variable?

Where is the independent variable most commonly displayed on a graph?

A scientist measures how far a particle travels within a given amount of time. Every second she measures how far it has gone, and creates a graph of her results. What is the independent variable in this experiment?