The pair of numbers are called "coordinates".
They're called Coordinates
In the ordered pair (a, b), the object a is called the first entry, and the object b the second entry of the pair. Alternatively, the objects are called the first and second coordinates, or the left and right projections of the ordered pair.
An ordered pair
A set ordered pair is...called a set ordered pair
An ordered pair has to be in parentheses and there has to be a comma in between the numbers (example: (2,6). An ordered pair is for a coordinate graph.
Because otherwise it would not be an "ordered" pair.
Ordered pair
ordered pair
This is called an ordered number pair
A set of 2 numbers is called an ordered pair
An ordered pair can contain any valid numbers - integers, fractions, decimals, or even complex numbers.