the point where a line crosses the y-axis

The y-intercept of a line on a graph is where the line touches (or intercepts) the y-axis (the numbered line going straight up).

A simple line graph. The y-intercept in this case is 2.

The equation for straight lines is . "" is the -intercept.

You can find the y-intercept of a graph by seeing where the x-coordinate equals 0. The y-coordinate of a point with a x-coordinate of 0 is the y-intercept.

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