Find the equation of a line passing through the point $(3, -1)$ and making an intercept of $-4$ on $Y-$axis.

Find the slope and $Y-$intercept of the line $4x-5 y-6=0$.

Find the slope and $Y-$intercept of the line $\frac{x}{2}+\frac{y}{7}=1$.

The line through $\mathrm{P}(5, 3)$ intersects $\mathrm{Y}-$axis at $\mathrm{Q}$. Write the slope of the line.

The line through $P(5, 3)$ intersects $Y-$axis at $Q$. Write the equation of the line

The line through $P(5, 3)$ intersects $Y-$axis at $Q$. Find the coordinates of $Q$.