Question

Can someone help me go over direct variations that invole equations, I'm really not understanding it.

Answer 1

\(\large\color{midnightblue}{ \rm y=kx }\)

Where k is the constant of variation. If you take y=6 and x=3, then you get

\(\large\color{midnightblue}{ \rm 6=k(3) }\)
\(\large\color{midnightblue}{ \rm 2=k }\) thus your variation will be
\(\large\color{midnightblue}{ \rm y=2x }\)