Question 30605
(-2,7); slope=1/2
use y - first(y) = m(x - first(x))
y-7=(1/2)(x+2)
y-7=(1/2)x+1
y=(1/2)x+8 is your equation
((-1/2)x+y = 8)-2
x-2y=-16 is the Ax+By=C form