Definitions for y-intercept
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In coordinate geometry, using the common convention that the horizontal axis represents a variable x and the vertical axis represents a variable y, a y-intercept is a point where the graph of a function or relation intersects with the y-axis of the coordinate system. As such, these points satisfy x=0 If the curve in question is given as y = f(x), the y-coordinate of the y-intercept is found by calculating f. Functions which are undefined at x = 0 have no y-intercept. Some 2-dimensional mathematical relationships such as circles, ellipses, and hyperbolas can have more than one y-intercept. Because functions associate x values to no more than one y value as part of their definition, they can have at most one y-intercept. Analogously, an x-intercept is a point where the graph of a function or relation intersects with the x-axis. As such, these points satisfy y=0. The zeros, or roots, of such a function or relation are the x-coordinates of these x-intercepts. Unlike y-intercepts, functions of the form y = f(x) may contain multiple x-intercepts. The x-intercepts of functions, if any exist, are often more difficult to locate than the y-intercept, as finding the y intercept involves simply evaluating the function at x=0.
Sample Sentences & Example Usage
To reach me, you must move to me. Your attack offers me an opportunity to intercept you.
Never go out to meet trouble. If you will just sit still, nine cases out of ten someone will intercept it before it reaches you.
In its digital attack on Belgacom, the British secret service was able to intercept more communications than was previously realized.
In its digital attack on Belgacom, the British secret service was able to intercept more communications than was previously realised.
We have asked the PFG to intercept any tankers trying to approach the oilfields for security and technical reasons. The force majeure is still in place.
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