$6x-3y=2$,  $y=2x-\frac{2}{3}$,  Its $y$-intercept is $-\frac{2}{3}$. 
Match the linear equation, $6x-3y=2$, with its corresponding $y$-intercept. 
  * $\frac{2}{3}$ 
  * $-\frac{2}{3}$ 
  * $$2$$ 
  * $$6$$ 