Question

1. Which of the following line is perpendicular to X-axis.
(a) X + y = 2
(b) 2y + 5 = 0
(c) 3x + 1 = 0

Answer 1

Answer:

b

Step-by-step explanation:

Soo....

because the line is perpendicular to x

which means the line passes through x

i.e x=0

and the only option where x=0 is 2y+5=0

Answer 2

Answer:

(b)

since x must be 0 to get a perpendicular line