Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 7 - No. 15)
Which of the following graphs would represent an object moving at a constant speed?
A horizontal line on a distance-time graph.
A straight, non-horizontal line on a distance-time graph.
A horizontal line on a speed-time graph.
A curved line on a distance-time graph
解释
A straight, non-horizontal line shows constant speed in a distance-time graph. The slope is constant.