What is the equation in point-slope form of a line that passes through the points (−4, −1) and (5, 7) ?


A.) y - 1 = 8/9 (x - 4)


B.) y + 1 = 8/9 (x + 4)


C.) y + 4 = 9/8 (x + 1)


D.) y + 1 = 8/7 (x + 4)