Algebra

Gradient

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

Definition

A positive gradient slopes upward left-to-right; negative slopes downward. Horizontal lines have gradient 0; vertical lines have undefined gradient.

Example

Line passing through (1, 2) and (3, 8). Gradient = (8 − 2) ÷ (3 − 1) = 3.

Used in these topics

Related terms

y-intercept

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

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