2.2 Demand Curve Demand curve-Relationship between the quantity of a good that consumers are willing to buy and the price of the good. Qp-Qp(P) Price : P2 P Quantity2.2 Demand Curve Demand curve-Relationship between the quantity of a good that consumers are willing to buy and the price of the good. QD =QD(P) Q2 Quantity Q1 P1 P2 Price D D’