Question

The line passing through the point (5,a) and point (4,3) is perpendicular to the line x - 6y = 8. What is the value of 'a'?

Answer 1

we put (5,a) point in the equation
so 5 - 6(a)=8
so. -6(a)= 8-5
so. -6(a)= 3
so a= -(1/2)
I think this your answer