<p align="right">Last Update: <font color="#4f81bd">July, 25, 2024</font></p> ## BIG IDEAS - Also known as the Cartesian system. - Developed by Rene Descartes. - Used to describe the position of an object. - A link between algebra and geometry ## Number Line The simplest example of a coordinate system is the identification of points on a line with real numbers using the number line. ## Cartesian coordinate system Coordinate axes have a positive and negative ends with an origin where the two axes cross. >[!info] What is the *s-axis*? Why is *s* used sometimes for distance? >The *s-axis* is a generic term for any axis. The [[Origin|origin]] is am important feature of any coordinate system. The Cartesian coordinates of a point are usually written in parentheses and separated by commas, such as (0,5), where the first number is the x-axis and the second is the y-axis. --- Return [[Home|Home]] | [[Measurements]] | [[Origin]]