Answer:

& 2
Explanation:
The given line is
The given equation is in slope intercept form.
So, the slope of the given line is
Therefore, the slope of a parallel line to the given line will also be
. {Since slope of two parallel lines are the same}
Now, the slope of a line that is perpendicular to the given line will be 2.
{Simce, the product of slopes of two perpendicular straight lines is -1} (Answer)