Answer:
y - 0 = -1(x - 4)
Explanation:
Point-slope form is this: y - y1 = m(x - x1)
We are given the values of m, x1, and y1, So all we have to do is input those values into the equation:
m = -1
(x1, y1) = (4, 0)
y - 0 = -1(x - 4)
I hope this helps. :)