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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.
The Vertex axis is a point of energy derived from the intersection of the Prime Vertical and the Ecliptic. The West side of this point is called the Vertex, the East side is called the Anti-Vertex. The Ascendant-Descendant axis is found by the points of intersection of the Great Circles of the Ecliptic and Horizon.