Answer:
physical - soil fertility, soil drainage, slope angle, aspect, scenery, mineral potential etc.
economic - distance from markets, demand for different uses.
social - population size, legislation, government policies.
Explanation:
You would draw a table like the above ^
And you would input each x value (1,2,3,0,-1,-2,-3) into the equation one by one for the value of both x and y
I did the first one for you so you understand how to do it.