Y-intercept

Quick Description

The point or value where a function intersects y axis.

Quick Example

The y-intercept of the line $y = 2x + 1$ is 1.

[asy] draw((-10,0)--(10,0)); draw((0,-10)--(0,10)); draw((-5.5, -10)--(4.5, 10)); dot((0,1)); [/asy]