1. 1

2. 2

3. End
 René Descartes
(1596-1650)
 philosopher
 mathematician
 joined algebra
and geometry
 credited with
Cartesian plane
3

4. 4

5. End
Formed by
intersecting
two
real number
lines at
right angles
5

6. End
6
Horizontal
axis is
usually
called the
x-axis

7. End
7
Vertical
axis is
usually
called the
y-axis

8. 8

9. End
 x-y plane
 rectangular
coordinate
system
9
Also called:

10. End
Divided into
Four Quadrants
10

11. End
Divides into
Four Quadrants
11
I

12. End
Divides into
Four Quadrants
12
III

13. End
Divides into
Four Quadrants
13
III
III

14. End
Divides into
Four Quadrants
14
III
III IV

15. End
The intersection
of the two axes is
called the
origin
15

16. End
Each point in the
x-y plane is
associated with
an ordered pair,
(x,y)
16
(x,y)
(x,y)
(x,y)
(x,y)

17. End
The x and y of the
ordered pair,
(x,y), are called
its coordinates
17
(x,y)
(x,y)
(x,y)
(x,y)

18. End
Math Alert
There is an
infinite amount
of points in the
Cartesian plane
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