A grid can be divided into four sections called quadrants. A grid with four quadrants can be used to display coordinates with positive and negative numbers. Coordinates are always written like this (2 ...

The origin is the position where 𝒙 and 𝒚 are both zero. It has the coordinates (0, 0). The 𝒙-axis is the horizontal line and the 𝒚-axis is the vertical line. The origin is the position where 𝒙 = ...