Find the slope of the line perpendicular to
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. -4.
A line perpendicular to another line has a slope that is the negative reciprocal of the original slope.
Here, y = (1/4)x - 6
Slope of this line = 1/4
Negative reciprocal of 1/4 = - 4