Math
posted by Mathilde .
Please help,
Locate one other point on the trend line. Then find the slope of the trend line.
...How do I do that?

Math 
drwls
Divide the change in y (the vertical axis value) by the change in the xaxis value (which may represent time).

Math 
Guido
3b. Pick any two points on the line and find the slope of the line.
The slope is a numerical value that describes just how slanted a given line is.
Here is is an example of finding the slope of a line.
SAMPLE:
Given the points (3, 4) and (8, 9), find the slope.
The symbol for slope is the letter m.
Let m = slope.
We now subtract b from d and a from c.
(a,b) = (3,4)
(c,d) = (8,9)
m = (9  4)/(8  3)
m = 5/5
m = 1
The slope is 1.
Did you follow?
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