Question

The equation of the straight line passing through $(3,-4)$ and parallel to $x-$ axis is

• A. $y=-4$
• B. $x=3$
• C. $x=-4$
• D. $y=3$

Answer 1

The correct option is A $y=-4$

Equation of $x-$ axis is $y=0$.

Now equation of line parallel to $x-$ axis is $y=c$.

Given this equation passes through $(3,-4)$.

Then we get, $c=-4$.

So the equation of the line is $y=-4$.