Graphs 3
2 marks · NormalOn a distance–time graph, a line slopes downward from left to right. What does this mean about the object's movement? Explain your answer.
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The object is returning to its starting point.
Also accept: The object is going back towards its start location.; Distance from the starting point is decreasing.
Common mistakes: Thinking it's going slower rather than in a different direction.
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Marking points
B1 · 1 mark · States the object is returning or going back towards the start.
B1 · 1 mark · Explains that distance is decreasing.
Worked solution
A negative gradient means the object's distance from the start is decreasing, so it is returning.