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Possibly because the first time that pupils are introduced to the name and concept it is has only two dimensions. These are usually represented as horizontal (x) and vertical (y) coordinates.
Actually, many children meet the concept - in its 1-dimensional form - as the number line. It is not called a Cartesian coordinate system then, and they make only simple use of it.
The Cartesian coordinate system is normally extended to 3-dimensional space in high school coordinate geometry when it is obviously not called a plane, and to multi-dimensional hyperspaces in advanced mathematics or physics.
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Why is the coordinate plane called the Cartesian plane?
The coordinate plane is sometimes call the Cartesian plane because Rene Descartes is often credited with inventing the coordinate plane and so the coordinate plane is sometimes called the Cartesian plane,in his honor.
Why is the coordinate plane is sometimes called the cartesian plane?
A coordinate plane is sometimes called Cartesian plane in honor of René Descartes. YOU ARE AN IDIOT
Why is the coordinate plane sometimes called the Cartesian?
x-y plane
Another name for the Cartesian coordinate system is?
plane xy
What is the point in xy-plane called?
It is simply called a point in the coordinate or Cartesian plane.
