Question

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)

Answer 1

M = (7+1)/(5+4)
M = 8/9

Y + 1 = 8/9(x + 4)
So answer is B