the given line is

it has slope m equal to

anb y-intercept b equal to 4.
Since we need a perpendicular line, we know that this new line must have a "reciprocal inverse" slope mp for the
given m, that is

In our case,

which is equal to,

Hence, the form of our perpendicular line is

we only need the y-intercept c. In order to find c, we must use the given point (-8,2).
By substituying this point into the last equation, we have

hence,

Finally, the perpendicular line is
