Lesson: Slopes of Parallel and Perpendicular Lines

In this lesson, we will learn how to use the concept of slopes to determine whether two lines are parallel or perpendicular and use these geometric relationships to solve problems.

Video

17:53

Sample Question Videos

05:06
04:20
02:40

Worksheet: 25 Questions • 6 Videos

Q1:

Two lines are perpendicular. What will the product of their slopes be?

Q2:

If the line passing through points and is parallel to the line passing through points and , what is the value of ?

Q3:

Two lines and have slopes of and respectively. Are the two lines perpendicular?

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