−7(−2x+6)

Select one:

−9x−42

14x+6

14x−42

−14x−42

14x-2 is answer

Step-by-step explanation:

may be this is helpful!

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