Two lines that are perpendicular have slopes that are opposite reciprocals of each other. Therefore, the correct answer is:
2. slopes that are opposite reciprocals
1.no slope
2.slopes that are opposite reciprocals
3.slopes that are the same
4.slopes that switch the numbers
1 answer
Two lines that are perpendicular have slopes that are opposite reciprocals of each other. Therefore, the correct answer is:
2. slopes that are opposite reciprocals