Using the slope formula to determine if points make up a rectangle

The video tutorial explores the properties of rectangles, focusing on using the slope formula to determine if a quadrilateral is a rectangle. It emphasizes the importance of plotting points and checking for parallel sides. The tutorial also distinguishes between rectangles and parallelograms, highlighting the need for perpendicular lines and equal diagonals in rectangles. The concept of opposite reciprocal slopes for perpendicular lines is explained, concluding that the given shape is not a rectangle due to the lack of 90-degree angles.

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