Mathematics 0580 · IGCSE · Graphs in practical situations

Graphs in practical situations — practice question

Louise sets off from home at 09 55 and rides the 5.6 km to the supermarket at a steady pace. She needs 15 minutes to make the trip.
(a)[1]

Write down the time at which she gets to the supermarket.

(b(i))[1]

Calculate Louise’s mean speed from her home to the supermarket in kilometres per hour.

(b(ii))[2]

Calculate Louise’s average speed in metres per second, and give the result correct to 1 decimal place.

(c)[2]

On the grid opposite, plot the graph of her journey from home and the time she spends at the supermarket.

(d(i))[2]

Determine how long she needs for the 5.6 km trip. Give your answer in minutes.

(d(ii))[1]

On the grid, indicate her mother’s journey.

(e(i))[1]

On the grid, show the journey back home.

(e(ii))[2]

Calculate, in km/h, their constant speed for the trip home.

Worked solution & mark scheme

This 12-mark question has a full step-by-step worked solution and mark scheme. One marking point: $10{:}10$

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI