Definition

Ordered Pair

In a rectangular coordinate system, every point is represented by an ordered pair, written as (x,y)(x, y). The first number is the xx-coordinate, which indicates horizontal position along the xx-axis, and the second number is the yy-coordinate, which indicates vertical position along the yy-axis. The phrase 'ordered pair' signifies that the specific sequence of the two numbers is mathematically important.

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Updated 2026-05-06

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