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On a number line does 2 or - 2 represent the absolute value of -2?

Q: Any two points on a number line is the absolute value of the difference of the coordinates?

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It is simply the difference between their y coordinates.

Simply divide the difference in the y-coordinates, by the difference in the x-coordinates.

You need two coordinates, not one, to specify a point. To calculate the slope, simply calculate (difference in y-coordinates) / (difference in x-coordinates).

Points: (-3, -1) and (3, -2) Slope: -1/6

If you have the coordinates of two points, say P = (a,b) and Q = (c,d), then slope = (b-d)/(a-c) that is, the difference in the y coordinate of the two points divided by the difference in the x coordinate of the points taken in the same order.

Related questions

The distance between any two points on a number line is the absolute value of the difference of the coordinates.

distance

DISTANCE

It is simply the difference between their y coordinates.

It is simply the difference between their y coordinates.

The distance between them is the absolute value of the difference in their vertical coordinates.

When a line segment connecting two points is horizontal the length of the segment can be found by finding the absolute value of the difference in x-coordinates of the two points.

The Minkowsky or Taxicab distances.

The difference in the X-coordinates (in the X-axis (horiztontal(left-right))) of two points is called the "run".

All complex number that can be represented by the coordinates of points on the unit circle, that is, the circle with its centre at the origin and a radius of 1 unit.

The distance between two points is Square root of [ (difference in their 'x' coordinates)2 + (difference in their 'y' coordinates)2 ]

Horizontal