ordered pair

American  

noun

1. Mathematics. two quantities written in such a way as to indicate that one quantity precedes or is to be considered before the other, as (3, 4) indicates the Cartesian coordinates of a point in the plane.

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Etymology

Origin of ordered pair

First recorded in 1950–55

Example Sentences

To produce an inverse relation or function, interchange the first and the second coordinates of each ordered pair, or interchange the variables in an equation.

From Textbooks • Sep. 23, 2020

For each ordered pair in the function, each y-value is matched with only one x-value.

From Textbooks • May 6, 2020

Check that each ordered pair is a solution to both original equations.

From Textbooks • May 6, 2020

Just as with systems of linear equations, a solution of a nonlinear system is an ordered pair that makes both equations true.

From Textbooks • May 6, 2020

For each ordered pair in the function, each y-value is matched with only one x-value.

From Textbooks • May 6, 2020