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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.
Find the gradient of the line passing through (a, b) and (0, c). Intercepts. The x-intercept of a line is the point at which it crosses the x-axis. The y-intercept of a line is the point at which it crosses the y-axis. In the diagram to the left the y-intercept is at A and the x-intercept at B.The second diagram shows a line parallel to the x-axis and it has a y-intercept at C.The third diagram shows a line parallel to the y-axis and it has an x-intercept at D.he y-intercept of a line is the point at which it crosses the y-axis. In the diagram to the left the y-intercept is at A and the x-intercept at B. The second diagram shows a line parallel to the x-axis and it has a y-intercept at C. The third diagram shows a line parallel to the y-axis and it has an x-intercept at D.