Question

he equation of a line is y=2/3 x + 5. What is an equation of the line that is perpendicular to the given line and that passes through the point (4,2)?

Answer 1

2/3 × m2 = - 1
m2 = - 3/2

2 = - 3/2(4) + c
4 = - 12 + 2c
2c = 16
c = 8
y = - 3/2x + 8