Question

Assume y varies directly with x.Let y = 12 when x = -6. Which is the correct equation? Hint: y = kx, make sure you substitute the correct number in correct location of the equation. ​

Answer 1

k=-2

Explanation:

If y=12, x=-6 => 12=k*(-6)

12=-6k

divide both sides with -6:

-2=k

I don't really understand your question, tell me if I get it right:(