Determine whether set of values represents a direct variation. If yes, identify the constant of variation and write a direct variation equation to represent the relationship.

{(1,4), (2,3), (3,2), (4,1)}
x y x y x y x y


picture of me literally being so clueless

Determine whether set of values represents a direct variation If yes identify the constant of variation and write a direct variation equation to represent the r class=