If this is pertaining to an equation which has a linear relationship, then the point you should be plotting first would be the y-intercept which is b. For a linear equation, this is the first point you can directly determine from the equation. Hope this answers the question. Have a nice day.
Answer:
y = 32
Step-by-step explanation:
I believe its 80 if you derive it out, but there is no units of measurement.