Coordinate System

​Horizontal Axis

​x-axis

​Vertical Axis

​y-axis

​Summary of Video

​Coordinate System
( x, y )

• ​x tells you how much left or right.

• y tells you how much up or down.

​Quadrant I

​Quadrant III

​Quadrant II

​Quadrant IV

​Origin

​We can write a coordinate in the following form (x, y). Or we can list any number of coordinates in table form.

Coordinates​
( 2, 5)

( -8, 2 )

( -4, -6 )

( 6, -2 )

​x	y​
​2	5​
-8​	2​
-4​	-6​
6​	2​

Coordinates listed in a Table

​Example: Plot the points

​ ( -3, -2 )
( -2, 1 )
( 3, 3 )

​Or, in table format

​x	y​
​-3	-2​
​-2	1​
​3	3​

Graphing

Graph the following points:

( 2, 5)

( -8, 2 )

( -4, -6 )

( 6, -2 )