Q: The first of an ordered pair what is that called?

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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.

The abscissa

It is called the abscissa.

This is a statement; it is not a question.

A ordered pair is one of many ways in which a function may be defined. The function maps the element in the first position of an ordered pair to the second element in that pair.

Related questions

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.

the first number in an ordered pair is the x coordinate it is one of the values that the independent variable has taken on

A set ordered pair is...called a set ordered pair

The abscissa

They are the set of abscissae.

the first number in an ordered pair is the x coordinate it is one of the values that the independent variable has taken on

It is called the abscissa.

This is a statement; it is not a question.

Coordinates

They're called Coordinates

A ordered pair is one of many ways in which a function may be defined. The function maps the element in the first position of an ordered pair to the second element in that pair.

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