Question

If two lines are perpendicular, which statement must be true? A.The slopes of the two lines are equal. B.The slopes of the two lines are undefined. C.The slopes of the two lines are zero. D.The slopes of the two lines are negative reciprocals.

Answer 1

The answer to your question is D. The slopes of the two lines are negative reciprocals.

Explanation:

Hope this helps have a great day :D

Answer 2

Option D is correct that is The Slopes of two lines are negative reciprocals.

Explanation:

Perpendicular lines are the lines which intersect each other at right angle or make 90° angle with each other.

we that the Slope of perpendicular lines are equal to -1

Therefore, Option D is correct that is The Slopes of two lines are negative reciprocals.