Please help me! i need to understand how to do this!

I promise this is easy.

Step-by-step explanation: Search up what's an outlier and then you will understand what they saying.

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c