A demand schedule shows that quantity demanded is 90 units at £2, 60 units at £4 and 30 units at £6. Which statement correctly describes the curve drawn from these data?
It slopes upwards because quantity demanded rises with price
It slopes downwards, with price on the vertical axis and quantity on the horizontal axis
It is vertical because the changes in quantity are equal
It shifts left as each higher price is plotted
82 exam-style questions on OCR GCSE Economics 2.2 Demand, covering 2.2.1 What is demand, 2.2.2 Draw a demand curve using data, 2.2.3 Explain a demand curve, 2.2.4 Shifts and movements of the demand curve, 2.2.5 Causes and consequences of demand changes, 2.2.6 Price elasticity of demand, 2.2.7 Draw demand curves of different elasticity, and 2.2.8 Importance of price elasticity of demand. Each one has a worked solution and a mark scheme showing where the marks go.