Question

Find the equation of a line which is parallel to $y$-axis and has $x$-intercept as 5.

• A. $x=5$
• B. $y=5$
• C. $x=5$
• D. $x=5y+1$

Answer 1

The correct option is A $x=5$

As we know,
Slope of $y$-axis is not defined.
Hence, The line parallel to the $x$ axis is also not defined.
Equation of $y$-axis is $x=0$

Hence, Equation of the line is $x=c$ where c is the $x-$ intercept
Given, $c=5$
$x=5$

Line $x=5$ is represented on the cartesian plane.