Mathematics, 27.01.2021 09:20, heavendl13

The product of the slopes of two non-vertical perpendicular lines is always -1. It is NOT possible for two perpendicular lines to both have a positive slope because the product of two positives is positive. So for the product of the slopes to be -1, one of the slopes must be positive and the other negative. True or False

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The product of the slopes of two non-vertical perpendicular lines is always -1. It is NOT possible f...