SAT ACT Prep Determine the slope of a line perpendicular to another line through two points

The video tutorial explains how to find the slope of a line perpendicular to another line. It begins by discussing the properties of perpendicular lines, emphasizing that their slopes are opposite reciprocals. The tutorial then demonstrates how to calculate the slope of a given line using coordinates and the slope formula. Finally, it shows how to find the slope of the perpendicular line by taking the reciprocal and negating the slope of the original line.

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