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 @kevinngo @SuperflyTyGuy @geneticrockhopper247

Question

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 @kevinngo @SuperflyTyGuy @geneticrockhopper247

peterg2001 · Answer

@Crissy15

freckles · Answer

direction variation ->y=kx
where k is the constant of proportionality

freckles · Answer

so what do you think is the answer?

freckles · Answer

though there is another choice that also see nothing wrong with (the x=ky thing :) )

but i bet they are looking for the form y=kx

peterg2001 · Answer

@geneticrockhopper247

peterg2001 · Answer

@SuperflyTyGuy

peterg2001 · Answer

@AlexandervonHumboldt2 @abram134

alexandervonhumboldt2 · Answer

so he rate si y=ab where a is rate  a=-3 what oy get?

peterg2001 · Answer

@geneticrockhopper247

geneticrockhopper247 · Answer

Honestly, I'm not much of a math person, so I'm not sure that I am the best person to help you with this.