19.
A triangle ABC is right angled at point A. The vertices of the triangle are A(1, -2), B(5, 4) and
C(m. N).
The equation of line BC is 5y-x = 15.
(a)
Determine:
12
(i)
the equation of line AC in the form ax+ by + c = 0, where a, b and are
integers.
(