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Mathematics 7 Online
OpenStudy (anonymous):

What is true of the slopes of two perpendicular lines? A. The sum of the slopes is –1. B. The product of the slopes is –1. C. The slopes are the same. D. The product of the slopes is 1.

OpenStudy (anonymous):

B

OpenStudy (anonymous):

The opposite reciprocal of a slope is a line perpendicular to that, the same slope makes parallel lines

OpenStudy (anonymous):

Thanks!

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