Q: What two variables do you need to know to determine the gradient between two points on a map?

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A line is the locus of points such that the gradient (slope) between that point and one fixed point in the plane is a constant. Technically, that definition does not include a vertical line because its gradient is not defined! You could get around that this by requiring that either the gradient is a constant or, if it is undefined, then the inverse gradient (dx/dy) is constant.

Provided the run is not zero, rise/run gives the gradient, or slope, between two points.

Positive correlation

Points: (2, 3) and (4, 7) Gradient or slope: change in y/change in x = (7-3)/(4-2) = 4/2 = 2

Yes beccause: (y1-y2)/(x1-x2) = gradient

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A line is the locus of points such that the gradient (slope) between that point and one fixed point in the plane is a constant. Technically, that definition does not include a vertical line because its gradient is not defined! You could get around that this by requiring that either the gradient is a constant or, if it is undefined, then the inverse gradient (dx/dy) is constant.

When the data on the graph is continuous,it does make sense to connect the points on the graph of 2 related variables.

"Player" is the independent variable, and "Points" is the dependent variable.

When you have three collinear points there is one gradient. I'm not sure what your question is specifically but when points are collinear they have the same gradient.

The distance between two points must be known to determine the average slope between the two points. You must also know the change in elevation.

No correlation. Answer provided by

In science, a best fit line is a straight line that represents the trend in a set of data points. It is used to determine the overall relationship between the independent and dependent variables in an experiment or observation, helping to identify patterns and make predictions based on the data. The best fit line minimizes the overall error or distance between the line and the data points, providing a visual representation of how the variables are related.

no correalation

If the points lie on a straight line through the origin, the two variables are in direct proportion.

Provided the run is not zero, rise/run gives the gradient, or slope, between two points.

The H gradient refers to the difference in hydrogen ion concentration between two points. In biological systems, this gradient is often involved in processes such as cellular respiration and ATP synthesis. It plays a crucial role in maintaining the pH balance and overall homeostasis of cells.