Slope of a line can be defined as a gradient of line. Slope of a line represents the ratio of change in ‘Y’ to change in ‘X’ between two points on a line. If the slope of line is undefined or not defined then it is said to be a vertical line and if the slope of line is 0, then it is called as a horizontal line. Now we will talk about the equation of a line. The equation of slope of a line is given by: y = mx + c, here ‘m’ denotes the slope of a line and the y- intercept is given as ‘c’. **Slope Worksheets** of a line can be defined by using the following formula which are mention below:

m = a1 – a2 / a1– a2, here‘m’ is the slope of line and a1, a2 are the points on y- axis and b1, b2 are the points on x- axis. The above equation can also be described as:

=> m = a2– a1 / b2 – b1,

The gradient of a line can be represented by following formula:

=> m = tan θ, Now understand slope of a line with help of an example:

Suppose that a line follows two points: S = (4, 4) and T = (8, 6), therefore by the division of the change in y – coordinate by the change in x – axis, one can easily calculate the slope of the line. The formula for finding the slope of a line is:

=> m = a2– a1 / b2 – b1,

= 8 – 4 / 6 – 4,

= 4 / 2;

= 2; This is how we Define slope of a line. If the slope of a line is equal to -1, then two lines are perpendicular to each other. This is all about Slope Worksheets. (know more about Slope Worksheets, here)

In nature **Surface Waves** can be electromagnetic which is used to propagate the interface. To get more information about surface wave then see the **cbse syllabus for class 9th**.

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