Question

math quadrant system

Answer 1

The axes of a two-dimensional Cartesiansystem divide the plane into four infinite regions, called quadrants, each bounded by two half-axes . These are often numbered from 1st to 4th and denoted by Roman numerals: I (where the signs of the (x;y) coordinates are I (+;+), II (−;+), III (−;−), and IV (+;−).