SOLUTION: I need to know what the 1st and 2nd number in an ordered pair are called.

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Question 129585: I need to know what the 1st and 2nd number in an ordered pair are called.
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
the first number is the x-coordinate, called the "abscissa"

the second number is the y-coordinate, called the "ordinate"

the names apparently originated with Rene Descarte, father of the "Cartesian" coordinate system