The '''y-intercept''' is the y-value of the point at which a [[line]] intersects the [[y-axis]]. If the line is represented in the point-slope form, i.e., <math> y = m \cdot x +b</math>, then the ''y-intercept'' is <math>b</math>. See also: [[x-intercept]]. | The '''y-intercept''' is the y-value of the point at which a [[line]] intersects the [[y-axis]]. If the line is represented in the point-slope form, i.e., <math> y = m \cdot x +b</math>, then the ''y-intercept'' is <math>b</math>. See also: [[x-intercept]]. |