Answer:
The equation would be y - 0 = -1(x - 4)
Step-by-step explanation:
In order to write an equation in point-slope form, start with the base of the form.
y - y1 = m(x - x1)
Now input the slope for m.
y - y1 = -1(x - x1)
Now input the point for (x1, y1)
y - 0 = -1(x - 4)