Question

Which of these represents a straight line parallel to y- axis?
i) x = -1
ii) x = y
iii) 2 x = x + 1​

Answer 1

Answer:

1)

$1)x = - 1$

I think the 3rd option you entered may be wrong, If that option has not wrongly entered by then both 1st and 3rd options will be the answer.