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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.

Etymology

Origin of ordered pair

First recorded in 1950–55

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

When we solved the system by graphing, we saw that not all systems of linear equations have a single ordered pair as a solution.

From Textbooks • May 6, 2020

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

From Textbooks • May 6, 2020

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

From Textbooks • May 6, 2020

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.