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 )

Coordinates listed in a Table

​Example: Plot the points

​ ( -3, -2 )
( -2, 1 )
( 3, 3 )

​Or, in table format