well, geez. You have the formula. Pick any two (x,y) pairs and plug them in:
(3-0)/(2+1) = 1
You can see just by looking at the table that when x increases by 1, so does y.
What is the slope for the following data?
X -1 0 1 2
Y 0 1 2 3
y2 - y1
----------
x2 - x1
rise / run
2 answers
You have found the slope.