Given that,
Lets take the position of the cat A(-6, -4)
Position of the milk B(5,11)
We know that the shortest path between two points is equation of line passing through those two points
[1]
Slope of Points A and B (m) = y2−y1x2−x1=11−(−4)5−(−6)=1511(y−y1)=m(x−x1)⇒ y−(−4)=1511(x−(−6))⇒(y+4)×11=15×(x−(−6))⇒11y+44=15x+90⇒15x−11y+46=0 [2]