Subject : Maths {Graph}

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 René Descartes
(1596-1650)
 philosopher
 mathematician
 joined algebra
and geometry
 credited with
Cartesian plane
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Formed by
intersecting
two
real number
lines at
right angles
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Horizontal
axis is
usually
called the
x-axis

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Vertical
axis is
usually
called the
y-axis

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 x-y plane
 rectangular
coordinate
system
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Also called:

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Divided into
Four Quadrants
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Divides into
Four Quadrants
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I

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Divides into
Four Quadrants
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III

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Divides into
Four Quadrants
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III
III

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Divides into
Four Quadrants
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III
III IV

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The intersection
of the two axes is
called the
origin
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Each point in the
x-y plane is
associated with
an ordered pair,
(x,y)
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(x,y)
(x,y)
(x,y)
(x,y)

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

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