Question 1053262
(2 ,-1) and 
(-3, 4 ) m = -5/5 = -1 m ={{{(y[1] - y[2])/(x[1] - x[2] )}}}
***Using point-slope form, 
{{{y - y[1] = highlight_green(m)(x - x[1])}}}
P(2 ,-1)
y +1 = -1(x-2)
y = -x +1
{{{drawing(300,300,   -6, 6, -6, 6, grid(1), 
circle(2, -1,0.3),
circle(-3, 4, 0.3),
graph( 300, 300, -6, 6, -6, 6,0,-x+1) ) }}}