What is the definition of coordinate pair?

Answer 1

a coordinate pair is a pair of fractions that show u how to draw with purple dinousors by ur side (fyi this is wrong lol ).

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Why bother with that answer?

A coordinate pair is a way of describing the position of a point in 2-dimensional space, devised by Rene Descartes.

You select any point on the plane and call it the origin and its coordinate reference is (0,0). The position of any other point in the plane can be identified by how far to the right (the first of the coordinate pair), and how far up (the second) it is. In basic terms, that is it.

For points to the left of the origin, the first coordinate is negative.

For points to that are lower down, the second coordinate is negative.