(i) The equation of the line that is parallel to y axis and passing through (4, 0) will be x = 4

(ii) The equation of the line that is parallel to y axis and passing through (-2, 0) will be x = -2

(iii) The equation of the line that is parallel to y axis and passing through (3, 5) will be x = 3.

(iv) The equation of the line that is parallel to y axis and passing through (-4, -3) will be x = -4.