### Home > AC > Chapter 11 > Lesson 11.1.2 > Problem 11-23

11-23.

Rearrange the equations into slope intercept form. If the slopes

are opposite reciprocals of each other then the lines are perpendicular.

11-23.

Rearrange the equations into slope intercept form. If the slopes

are opposite reciprocals of each other then the lines are perpendicular.