Question

Find the equation of a line that passes through the points (5,3) and (2,3)

Answer 1

Find slope first

(3-3) 0
------- = -------- = 0
(2-5) -3


Now use point slope form

(y-y1) = m(x-x1)
(y-3) = 0(x-5)
y-3=0

y = 3 is your equation