Which term describes the first number in an ordered pair?

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Prepare for the 8th Grade FAST Mathematics Test with our Pre-Algebra quiz. Study with multiple choice questions, each with hints and explanations. Build your confidence and ensure you're ready to excel!

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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