### Home > A2C > Chapter 7 > Lesson 7.1.1 > Problem 7-14

7-14.

The slopes of perpendicular lines are opposite reciprocals of each other.

Remember: the product of opposite reciprocals is −1.

The slope is −2.

See part (b).

7-14.

The slopes of perpendicular lines are opposite reciprocals of each other.

Remember: the product of opposite reciprocals is −1.

The slope is −2.

See part (b).