Which of the Following Statements About the Price Elasticity of Demand

Multiple Choice

Which of the following statements about the price elasticity of demand is true?

A) Slope and elasticity measure the same things.
B) Price elasticity of demand varies depending on how price and quantity are measured.
C) It is important to know whether the price elasticity of demand is a positive or negative number.
D) The slope of a demand curve does not tell us the price elasticity of demand.
E) Price elasticity is the same everywhere along a demand curve of any shape.