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Another set of points are needed to find the slope.
Since the line is horizontal, the slope is zero.
To find the slope of a line passing through a given pair of points is found by using the point slope formula. Y(2)-Y(1) over x(2) -x(1).
That depends on the points in order to find the slope whereas no points have been given.
To find the slope of a line passing through two points, use the formula (y2 - y1) / (x2 - x1). In this case, the two points are (17, 101). Since there is only one given point, it is not possible to find the slope of the line passing through these points.
-1/4
The slope is -9.
Points: (1, 5) and (0, 2) Slope: 3
84
The slope is -9.
17
If the line passing through these points is a straight line then it has a positive gradient.