What is a Slope in math?

    +1  Views: 410 Answers: 2 Posted: 11 years ago

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    Slope or steepness of a line, or grade. A higher slope value indicates a steeper incline. (Slope, as a practical term, is not defined for theoretically perfectly horizontal or vertical lines.)
    The slope is normally described by the ratio of the "rise" divided by the "run" between two points on a line. The line may be practical - a set by a road surveyor - or in a diagram that models a road or a roof either as a description or as a plan.
    For relatively short distances - where the earth's curvature may be neglected, the rise of a road between two points is the difference between the altitude of at those two points, say y1 and y2, or in other words,
    the rise is (y2 − y1) = Δy.
    In this example, the run is the difference in distance from a fixed point a measured along a level, horizontal line, or in other words,
    the run is (x2 − x1) = Δx.
    Here the slope of the road between the two points is simply described as the ratio of the altitude change to the horizontal distance between any two points on the line. In mathematical language,
    the slope m of the line is

    The concept of slope applies directly to grades or gradients in geography and civil engineering. Through trigonometry, the grade m of a road is related to its angle of incline θ by

    As a generalization of this practical description, the mathematics of differential calculus defines the slope of a curve at a point as the slope of the tangent line at that point. When the curve given by a series of points in a diagram or in a list of the coordinates of points, the slope may be calculated not at a point but between any two given points. When the curve is given as a continuous function, perhaps as an algebraic formula, then the differential calculus provides rules giving a formula for the slope of the cure at any point in the middle of the curve.
    This generalization of the concept of slops allows very complex constructions to be planned and built that go well beyond static structures that are either horizontals or verticals, but can change in time, move in curves, and change depending on the rate of change of other factors. Thereby, the simple idea of slope becomes one of the main basis of the modern world in terms of both technology and the built environment.    Thank Wikipedia     KOTF

    In  simple,

    slope = rise/ run

    i.e. it signify the the inclination of the given surface or line with respect to the given standard line.

    Hope this helped you to some extent.




    Wasn,t my answer simple enough?

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