People generally purchase less of a commodity as its price increases.This implies that the relationship between quantity purchased and the price of the commodity must have a
A)slope always equal to one.
B)positive slope.
C)zero slope.
D)negative slope.

Question

Quizplus · Accepted Answer

The law of demand states that as the price of a commodity increases, the quantity demanded of that commodity will decrease, indicating a negative slope. Therefore, choice D is the correct answer.

People Generally Purchase Less of a Commodity as Its Price