Hi
(-10,-4) and
(-1, 2) m = -6/-9 = 2/3 
***Using point-slope form,
P(-1,2)
y - 2 = (2/3)(x+1)
y = (2/3)x + 2/3 - 2
y = (2/3)x - 4/3
y intercept is -4/3
the standard slope-intercept form for an equation of a line is
where m is the slope and b the y-intercept.