Any point on the y-axis is of the form
Question:

Any point on the y-axis is of the form
(a) (x, y)
(b) (0, y)
(c) (x, 0)
(d) (y, y)

Solution:

(b) $(0, y)$,

Any point on the $y$-axis is of the form $(0, y)$, where $y \neq 0$.