Question

The slope of a line is 1/3. What is the slope of a line perpendicular to this line?

a.)-3

b.)-1/3

c.)1/3

d.)3

Answer 1

Answer: -3

Explanation:

Answer 2

A perpendicular line has a negative reciprocal of a given line.

The given slope is 1/3, the reciprocal of this would be 3/1, which simplifies to 3.

The negative of 3 is -3.

The answer is a) -3.