The first number in an ordered pair (of rectangular coordinates) is the distance from the origin along the x- axis.
If the number is 0, then any point having this coordinate must lie on the y-axis.
If the second number is 0 then the point is at the origin (0,0).
If the second number is positive then the point lies on the y-axis above the origin.
If the second number is negative then the point lies on the y-axis below the origin.
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In the Cartesian plane, it is on the other axis - usually this means it is on the y-axis.
The second number in an ordered pair (x,y) is the y-coordinate for that point.
(2,4)
In the context of Cartesian coordinates, the ordered pair (0, 0) represents a point at the intersection of the x-axis and the y-axis, also known as the origin. The first number in the ordered pair (0) represents the x-coordinate, which is the distance along the horizontal axis from the origin. The second number (0) represents the y-coordinate, which is the distance along the vertical axis from the origin. Therefore, the ordered pair (0, 0) indicates a position where both the x and y coordinates are zero, placing the point at the origin of the coordinate plane.
The point of the functional property is that for any pair in the set of ordered pairs, the first coordinate determines what the second one is. That's why you can write "G(x)" for any x in the domain ofG and not be ambiguous.
(4,-4)