1. The problem statement, all variables and given/known data Find an equation of a plane containing the three points (0, -4, 4), (5, -1, 1), (5, 0, 3) in which the coefficient of x is 9 2. Relevant equations N/A 3. The attempt at a solution Totally lost on this guy. Prof didnt go over anything like this, nor tell us what the coefficient of x=9 means.