Question

Is `y=-10x` a direct variation equation and if so, what is the constant of variation?

Answer 1

`k=-10`

Explanation:

`"a direct variation equation has the form"`

`•color(white)(x)y=kxlarrcolor(blue)"k is the constant of variation"`

`y=-10x" is in this form"`

`"thus is a direct variation equation"`

`"with "k=-10`