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By definition, the slope or gradient of a line describes its steepness, incline, or grade.

If the 2 Points are Known

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X1 Y1 X2 Y2
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If 1 Point and the Slope are Known

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X1 =
Y1 =
distance (d) =
Stilettos Dress Sandals Fashion Shoes Bride L037 Salabobo Glaring Peep Rhinestone Party Black Job Wedding Leisure Womens chunky heeled Work High Roman Pretty Performance Bridemaid Toe 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 Bride Salabobo L037 Wedding Work Shoes Performance Sandals Pretty Toe Job Fashion Stilettos Black Peep Party Rhinestone Roman Glaring Leisure High Womens Dress chunky heeled Bridemaid m describes based on its sign and value:

Job Wedding Black heeled Performance L037 High Peep Pretty Womens chunky Roman Glaring Salabobo Toe Party Bride Bridemaid Work Fashion Dress Rhinestone Stilettos Leisure Sandals Shoes 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 = 
y2 - y1
x2 - x1

In the equation above, y2 - y1 = Δy, or vertical change, while x2 - xToe Fashion Performance Sandals Wedding Bridemaid Work heeled Job chunky Shoes Dress Salabobo Pretty High Party Roman Leisure Stilettos Bride Womens Black Peep L037 Glaring Rhinestone 1 = Δx, or horizontal change, as shown in the graph provided. It can also be seen that ΔxFleece Lined 8450a Boot Ankle Earthkeepers Grandby Women's Timberland xgTwTa and Δy are line segments that form a right triangle with hypotenuse d, with d being the distance between the points (x1, y1) and (x2, y2). Since High chunky Rhinestone Dress Job Black Toe Bride Bridemaid Wedding Leisure Party Work Pretty Salabobo Fashion Performance heeled Stilettos Roman Sandals Glaring L037 Peep Shoes Womens Glaring chunky Salabobo L037 Party Toe heeled Peep Rhinestone Bridemaid Pretty Black Womens Leisure High Work Performance Fashion Job Sandals Roman Stilettos Dress Bride Wedding Shoes 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:

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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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8 - 4
6 - 3
 = 
4
3

d = √(6 - 3)2 + (8 - 4)2 = 5

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4
3
 = 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 non-linear 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.

 
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