Posted by Shane on Sunday, September 1, 2013 at 2:09am.
Find the line that is perpendicular to y = 3/4 x + 2 and passes through (3,4).

maths  Graham, Sunday, September 1, 2013 at 2:44am
The equation of a line passing through point (a,b) at gradient m is:
(y  b) = m (x  a)
You're given (a,b)=(3,4).
What is the gradient of the perpendicular?