Graphs 3
2 marks · EasyA walker covers 8 km in 2 hours at a constant speed. What is her speed in km/h?
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4 km/h (±0.01)
Common mistakes: Dividing time by distance.
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Marking points
M1 · 1 mark · Shows correct method: divides distance by time (8/2).
A1 · 1 mark · Gives the correct answer: 4 km/h.
Worked solution
Speed = Distance / Time = 8 km / 2 h = 4 km/h.