Raymond B. answered 12/27/22
Math, microeconomics or criminal justice
AB has slope = (6+3)/(-1-2) = 9/-3 = -3 = difference in y divided by difference in x
a perpendicule line has slope = 1/3, the negative inverse of -3
through (4,7) is
y-7 = (1/3)(x-4) in point slope form
3y -21 =x -4
x-3y = -17
in standard form