A parabola can cross the x-axis once twice or never. The x-intercept is the point at which the graph of an equation crosses the x -axis. The x-coordinate of a point where a line curve or surface intersects the x-axis.
In the above diagram a is the y-intercept and b is the x-intercept.
Y -intercept z -intercept. Thinking about intercepts helps us graph linear equations. How to find x intercept. The figure below shows an example of an x-intercept green dot and a y-intercept red dot.