In a direct variation, the constant of proportionality is -3. Which of the following would be its equation? y=x-3, -3y=x,y=-3x,-3=xy

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User: In a direct variation, the constant of proportionality is -3. Which of the following would be its equation? y=x-3, -3y=x,y=-3x,-3=xy

Weegy: y=x- 3 is the constant proportionality of -3
***constant of proportionality - the constant value of the ratio of two proportional quantities x and y; usually written y = kx, [ where k is the factor of proportionality
] emdjay23|Points 16721|

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