Student Tutorial: Equations of Perpendicular Lines

Instructions:

Study these examples of finding the equation of a line perpendicular to a given line and through a given point.

Click the arrows on the bottom to get started

Example 2: Graph a parallel or perpendicular line through a given point, under the following conditions: A point in Q1 perpendicular to a line with positive slope

Example 4: Graph a parallel or perpendicular line through a given point, under the following conditions: A point in Q1 perpendicular to a line with negative slope

Example 6: Graph a parallel or perpendicular line through a given point, under the following conditions: A point in Q2 perpendicular to a line with positive slope

Example 8: Graph a parallel or perpendicular line through a given point, under the following conditions: A point in Q2 perpendicular to a line with negative slope

Example 10: Graph a parallel or perpendicular line through a given point, under the following conditions: A point in Q3 perpendicular to a line with positive slope

Example 12: Graph a parallel or perpendicular line through a given point, under the following conditions: A point in Q3 perpendicular to a line with negative slope

Example 14: Graph a parallel or perpendicular line through a given point, under the following conditions: A point in Q4 perpendicular to a line with positive slope

Example 16: Graph a parallel or perpendicular line through a given point, under the following conditions: A point in Q4 perpendicular to a line with negative slope

Example 18: Graph a parallel or perpendicular line through a given point, under the following conditions: A point on the positive x-axis perpendicular to a line with positive slope

Example 20: Graph a parallel or perpendicular line through a given point, under the following conditions: A point on the positive x-axis perpendicular to a line with negative slope