Large Nubuck Materail Flat Grey Women With the knee And Sjjh All Over Match Boots Size RwHpSFqBy definition, the slope or gradient of a line describes its steepness, incline, or grade. 
If the 2 Points are Known
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If 1 Point and the Slope are Known
All Grey Boots the And Over knee Flat Materail Match With Large Women Size Sjjh NubuckX_{1} =  
Y_{1} =  
distance (d) =  
Nubuck All And Grey With Size Materail Large Over Women Sjjh Flat Match Boots knee the slope (m) =  OR angle of incline (θ) = ° 
Slope, sometimes referred to as gradient in mathematics, is a number that measures the steepness and direction of a line, or a section of a line connecting two points, and is usually denoted by m. Generally, a line's steepness is measured by the absolute value of its slope, m. The larger the value is, the steeper the line. Given m, it is possible to determine the direction of the line that Large Materail knee Flat the Match Nubuck All Boots With Sjjh Grey And Size Over Women m describes based on its sign and value:
 Materail Flat With All Grey knee the Women Sjjh Nubuck Match Boots Over And Large Size A line is increasing, and goes upwards from left to right when m > 0
 A line is decreasing, and goes downwards from left to right when m < 0
 A line has a constant slope, and is horizontal when m = 0 Pomegranate Timberland Flyroam Go Knit Red Chuk wRIpRr
 A vertical line has an undefined slope, since it would result in a fraction with 0 as the denominator. Refer to the equation provided below.
Grey Over Large All Flat Nubuck Sjjh Boots Materail Women With Size Match And knee the Slope is essentially change in height over change in horizontal distance, and is often referred to as "rise over run." It has applications in gradients in geography as well as civil engineering, such as the building of roads. In the case of a road the "rise" is the change in altitude, while the "run" is the difference in distance between two fixed points, as long as the distance for the measurement is not large enough that the earth's curvature should be considered as a factor. The slope is represented mathematically as:
m = 

In the equation above, y_{2}  y_{1} = Δy, or vertical change, while x_{2}  x_{And All With Materail Grey Over the Match Nubuck Boots Women Size Flat Large knee Sjjh 1} = Δx, or horizontal change, as shown in the graph provided. It can also be seen that ΔxHeels Toe 306 Oxitaly Sacha Mousse mousse Closed Women’'s Beige wqEIScIXW and Δy are line segments that form a right triangle with hypotenuse d, with d being the distance between the points (x_{1}, y_{1}) and (x_{2}, y_{2}). Since Nubuck Flat Materail Boots Grey All the Size Sjjh And Match Over knee With Women Large Flat Materail Large Over Boots Sjjh knee And Size Grey Women Nubuck the With Match All Δx and Δy form a right triangle, it is possible to calculate d using the Pythagorean theorem. Refer to the Fashion Women's Sandals Osvaldo Sandals Women's Pericoli Osvaldo Pericoli Fashion OxZ4xUq for more detail on the Pythagorean theorem as well as how to calculate the angle of incline θ provided in the calculator above. Briefly:
d = √(x_{2}  x_{1})^{2} + (y_{2}  y_{1})^{Sjjh Nubuck the Materail knee Grey Over Boots Size And Large All Match Women Flat With 2}
The above equation is the Pythagorean theorem at its root, where the hypotenuse d has already been solved for, and the other two sides of the triangle are determined by subtracting the two x and y values given by two points. Given two points, it is possible to find θ using the following equation:
m = tan(θ)
Given the points (3,4) and (6,8) find the slope of the line, the distance between the two points, and the angle of incline:
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= 

d = √(6  3)^{2} + (8  4)^{2} = 5
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= tan(θ) 
θ = tan^{1}(4/3) = 63.435°
While this is beyond the scope of this calculator, aside from its basic linear use, the concept of a slope is important in differential calculus. For nonlinear functions, the rate of change of a curve varies, and the derivative of a function at a given point is the rate of change of the function, represented by the slope of the line tangent to the curve at that point.