Final answer:
Without the y-coordinate or specific orientation of the coordinate system, it is not possible to determine which x-coordinate option represents a point above the x-axis.
Step-by-step explanation:
The x-coordinate of point P, if it lies above the x-axis, is dependent on the orientation of the coordinate system. In a standard Cartesian coordinate system, the x-coordinate could be any real number, and the point would be above the x-axis if the y-coordinate is positive. However, the information given does not specify the y-coordinate; it only provides options for the x-coordinate. Therefore, we cannot determine from the options provided (-1/4, 1/4, 4, -4) which one specifically would represent a point above the x-axis without additional information about the y-coordinate or the orientation of the coordinate system.