What is the equation, in point-slope form, of the line that is perpendicular to the given line and passes through the point (−4, −3)?

a; y + 3 = −4(x + 4)
b; y + 3 = –1/4(x + 4)
c; y + 3 = 1/4(x + 4)
d; y + 3 = 4(x + 4)