Respuesta :

The law of demand states that if all other factors remain as is, when the price of a good or service increases, the demand decreases, when the price decreases, the quantity demanded increases. Relationship between price and quantity demanded, is therefore, inverse.

The two variables has direct relationship towards one another, either one of two two will be the x and the y. So basically, they neither be increase or decrease together, but not increase and decrease at the same time when you are graphing them. Direct relations are also called positive relationship, in which one of the two variables will go upward or downward together.
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