Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 4 - No. 25)
If a person walks at a constant speed of 2 meters per second, how will the distance-time graph appear?
A horizontal line
A straight line with a positive gradient
A straight line with a negative gradient
A curved line
Объяснение
Constant speed results in a straight, upward-sloping line on a distance-time graph.