Which ordered pair comes from this table ?

The answer will be d. (5,6) because if you see at the bottom of the graph where x is 5 and y is 6! hope this : )

A line segment is defined as the set of points between two given endpoints where the two endpoints are also included.

For the given segment, points A and B are the endpoints of the line, therefore, the best definition for this segment would be:
the set of point A and point B and all the points between point A and point B