Aushwitz for sure, this is the Jewish conversation for when Hitler took children of Jew descent to die at a concentration camp.
The author most likely chose to call this story “The Cold Equations” because he believes that space is a freezing wasteland wants to indicate that the EDS is cold needs to communicate that math is boring tries to foreshadow that numbers are heartless
Starting from the top right of the graph, that is quadrant 1. The one to the left of Q1 is quadrant 2. Below Q2 is quadrant 3 and last is quadrant 4.
The ordered pair (-4,-6) falls in Quadrant 3.