Question

What us the equation of the line that has a slope of 0 and passes though the point (4,22)

Answer 1

Point-slope form: we need a point (x₀,y₀) and the slope "m".
y-y₀=m(x-x₀)

Data:
(4,22)
m=0

y-22=0(x-4)
y-22=0
y=22  (slope intercept form)

Answer: the line will be: y=22