Question

write an equation in the form y= kx, where k is the constant variation, if y varies as x and x=-1 when y=-4

Answer 1

So you have y=kx
Plug in -1 for x
and
plug in -4 for y
And solve for k
:)

Answer 2

Do you know what I mean by plug in?

Answer 3

replace x with -1
replace y with -4

Answer 4

Have you found k yet? I can tell you if you have it right.