Question

There is a line that includes the point (7, –8) and has a slope of –2/9. What is its equation in point-slope form?

Answer 1

Point-slope form: y - y1 = m(x - x1). With m = -2/9 and (x1,y1) = (7,-8):

y - (-8) = (-2/9)(x - 7)

So y + 8 = (-2/9)(x - 7).