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Report Abuse. the point where the graph crosses the y-axis is the y-intercept, and the x-coordinate of this is 0 since it is crossing the y-axis (any point on the y-axis has an x-coordinate of 0). bialy Â· 7 years ago. Thumbs up.
So, on the major axis where the intersection of the major axis and the ellipse occur, these are going to be our vertices, but where the minor axis in the ellipse intersect, these are going to be our co-vertices. And those are the co-vertices of an ellipse. Show More Info.