Question

How do you know if an equation `y=0.5x` is a direct variation And if it is how do you find the constant of the variation?

Answer 1

`k=0.5`

Explanation:

`"the standard form of a direct variation equation is"`

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

`y=0.5x" is in this form with "k=0.5`