key term - Ordered pair

Definition

An ordered pair is a set of two elements written in a specific order, typically as (x, y), where x represents the horizontal coordinate and y represents the vertical coordinate.

5 Must Know Facts For Your Next Test

1. Ordered pairs are used to represent points on a Cartesian plane.
2. The first element of an ordered pair is called the abscissa or x-coordinate.
3. The second element of an ordered pair is called the ordinate or y-coordinate.
4. Ordered pairs can be used to describe solutions to equations in two variables.
5. Graphing multiple ordered pairs can help visualize functions and their behaviors.

Review Questions

Related terms

Cartesian Plane: A two-dimensional plane defined by a horizontal axis (x-axis) and a vertical axis (y-axis).

Function:

A relation in which each input has exactly one output, often represented as f(x).

Domain:

\text{The set of all possible input values for which a function is defined.}