Weegy: The value of a co-ordinate on the vertical axis of a graph. The vertical axis of a graph is known as the ordinate and the horizontal axis of a graph is known as the abscissa. [ In a system of rectangular Cartesian co-ordinates which is two-dimensional, the vertical co-ordinate is denoted by the letter y.
Therefore, the ordinate or the vertical axis of a graph is also commonly known as the y-axis of a graph. On the other hand, the ... (More)