How do you write the equation of a line given the line has a slope of –1 and contains the point #(4/5,0)#?
This is a good question!
You have 2 clues:
the first one is the slope!
The slope tells you how y changes when x changes or:
The second clue are the values of
You can choose:
So substituting in the expression. for the slope you get:
Rearranging, the equation of the line becomes: