Question 920228
(-2,-1) and 
(0,4)   m ={{{(y[1] - y[2])/(x[1] - x[2] )}}} = -5/-2 = 5/2
....
Line PERPENDICULAR to this has m = -2/5
***Using point-slope form, {{{y - y[1] = m(x - x[1])}}} P(-1,-1)
y + 1 = (-2/5)(x+1)
y = (-2/5)x - 7/5
0r...In standard Form
2x + 5y = -7