Student Tutorial: Equations of Parallel Lines

Instructions:

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

Click the arrows on the bottom to get started

Example 1: Graph a parallel or perpendicular line through a given point, under the following conditions: A point in Q1 parallel to a line with positive slope

Example 3: Graph a parallel or perpendicular line through a given point, under the following conditions: A point in Q1 parallel to a line with negative slope

Example 5: Graph a parallel or perpendicular line through a given point, under the following conditions: A point in Q2 parallel to a line with positive slope

Example 7: Graph a parallel or perpendicular line through a given point, under the following conditions: A point in Q2 parallel to a line with negative slope

Example 9: Graph a parallel or perpendicular line through a given point, under the following conditions: A point in Q3 parallel to a line with positive slope

Example 11: Graph a parallel or perpendicular line through a given point, under the following conditions: A point in Q3 parallel to a line with negative slope

Example 13: Graph a parallel or perpendicular line through a given point, under the following conditions: A point in Q4 parallel to a line with positive slope

Example 15: Graph a parallel or perpendicular line through a given point, under the following conditions: A point in Q4 parallel to a line with negative slope

Example 17: Graph a parallel or perpendicular line through a given point, under the following conditions: A point on the positive x-axis parallel to a line with positive slope

Example 19: Graph a parallel or perpendicular line through a given point, under the following conditions: A point on the positive x-axis parallel to a line with negative slope