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Q: What is the constant of variation in the direct variation x-y equals 0?

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A direct variation is when the value of K in multiple proportions is all divisible by the same number for example: XY=(1)(10) K=10 XY=(2)(20) K=40 XY=(3)(30) K=90 XY=(4)(40) K=160 In this situation the constant (K) of each proportion is divisible by 10 making the multiple equations a direct variation.

The constant of variation in an http://wiki.answers.com/Q/inverse-variation.html is the constant (unchanged) product between two variable quantities.The formula for indirect variation is xy = k..where k is the constant of variation.The constant of variation in a http://wiki.answers.com/Q/direct-variation.html is the constant (unchanged) ratio of two http://wiki.answers.com/Q/variables.html quantities. The formula for direct variation is y = kx..where k is the constant of variation.

Yes.

xy=k

The equation is xy = k where k is the constant of variation. It can also be expressed y = k over x where k is the constant of variation.

The equation is xy = 22.5

The inverse variation is the indirect relationship between two variables. The form of the inverse variation is xy = k where k is any real constant.

y = k/x of xy = k where k is a constant.

xY = 6.

Two variables, X and Y are said to be in inverse variation if XY = k or Y = k/X for some constant k.

xy = 8 or y = 8/x

The equation is xy = 5*9 = 45 Alternatively, y = 45/x

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