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Unformatted text preview: of P .
b is called the y -coordinate
of P . y (−4, 2) 5
1 -5 -4 -3 -2 -1
(−2, −5) -5 (2, 3) 12345
(3, −3) x Outline Relations Graphing Relations The Cartesian Coordinate System A plane with a rectangular coordinate system is called a
A rectangular coordinate system is also called a Cartesian
coordinate system after the French mathematician and
philosopher Ren´ Descartes (1596–1650).
A coordinate plane is also called a Cartesian plane or the
xy -plane. Circles Outline Relations Graphing Relations Coordinates Deﬁnition
The graph of a relation is the set of ordered pairs (x , y ) in the
To graph a relation, we lis...
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