Which term describes the first number in an ordered pair?

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Multiple Choice

Which term describes the first number in an ordered pair?

Explanation:
In a coordinate plane, points are written as (x, y). The first number is the x-coordinate, describing horizontal position. The second number is the y-coordinate, describing vertical position. The term ordered pair refers to the whole two-number pair, not just the first value. Domain refers to the set of all possible x-values in a relation, not the single first value of one pair. For example, in (5, -2), 5 is the x-coordinate.

In a coordinate plane, points are written as (x, y). The first number is the x-coordinate, describing horizontal position. The second number is the y-coordinate, describing vertical position. The term ordered pair refers to the whole two-number pair, not just the first value. Domain refers to the set of all possible x-values in a relation, not the single first value of one pair. For example, in (5, -2), 5 is the x-coordinate.

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