Question

Is `x/y = 1/2` a direct variation equation and if so, what is the constant of variation?

Answer 1

`x/y=1/2` is a direct variation equation with a constant of variation `= 2`

Explanation:

Any equation that can be written in the form:
`color(white)("XXX")y=c*x` for some constant `c`
is a direct variation equation with a constant of variation `=c`

`x/y=1/2color(white)("XX")hArrcolor(white)("XX")y=2x`