Hi guys! This video discusses the rectangular coordinate system. Basically it consists of two number line intersecting at their origin perpendicularly. The horizontal line is the x axis while the vertical line is the y axis. Also known as Cartesian Plane, in honor of its inventor mathematician, Rene Descartes, it used to plot points and graph different algebraic equations and functions. I illustrate how to plot points on the Cartesian plane and find what quadrants the point will lie. Happy learning and enjoy watching! #math #tagalog #analyticgeometry