Algebra

y-intercept

The point where a line or curve crosses the y-axis. Found by setting x = 0.

Definition

In the form y = mx + c, the y-intercept is c. The corresponding coordinate is (0, c).

Example

y = 2x + 5. y-intercept is 5; the line crosses the y-axis at (0, 5).

Used in these topics

Related terms

Gradient

The steepness of a line. Calculated as (change in y) ÷ (change in x), often written m.

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