What do I need to know to write the equation of a perpendicular line through a point

This video tutorial covers the essential concepts needed to write the equation of a perpendicular line through a given point. It begins with an introduction to perpendicular lines, explaining their intersection properties and the concept of orthogonal lines. The tutorial then delves into the understanding of slopes, particularly focusing on opposite reciprocal slopes. It introduces the slope-intercept and point-slope forms of equations, which are crucial for identifying perpendicular lines. Finally, the video explains how to evaluate points on a graph to determine if they lie on a given line, using practical examples to illustrate the process.

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