Xy = - 25. What is the constant of variation for this relationship?

A. 1/4

B.-0.4

C.-2.5

D.-25

The question is asking to choose among the following choices that states the constant of variation for the relationship of Xy = - 25, base on my calculation and further analysis, the possible answer would be letter D. - 25. I hope you are satisfied with my answer and feel free to ask for more