9.10.5 Self-Check on Proportion

Tick iconExercise 5: Direct or Inverse Proportion

Consider the following descriptions and decide whether they are direct or inverse proportion relationships.

a) For every revolution of a bicycle wheel it moves forwards by 2 meters.

b) Every hour a ship moves forward by 20 miles.

c) A candle burns at a rate of 1 cm per hour.

Solutions icon


a) Direct

b) Direct

c) Inverse

9.10.4 Self-Check on Doing and Undoing

9.10.6 Self-Check on Inequalities