Need this done asap please
Determine the value of r such that the line through (5, r) and (2, 3) is perpendicular to the line y = 2x - 4
A. r = 1.5
B. r = 9
C. r = - 3
D. r = 4.5
We accept
Determine the value of r such that the line through (5, r) and (2, 3) is perpendicular to the line y = 2x - 4