# Slope of a line :

The Slope of a straight line is defined as that it is described direction and as well as steepness of a line.

Or

The Slope of a line can be defined as that it is changing rate of y with respect to x in x-y plane.

Notation : Generally slope is denoted by m or tanθ .

Slope = m = tanθ .

here θ is an angle between the line and positive direction of x-axis.

## Different cases are arise :