Which term describes the first number in an ordered pair?

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Study for the 8th Grade FAST Mathematics Pre-Algebra Test. Enhance your skills with interactive flashcards and multiple choice questions, each containing hints and explanations to boost your comprehension and readiness for the exam. Get ready to ace your test!

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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