If AB is parallel to CD and the slope of CD is -8, what is the slope of AB ?

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asked May 6, 2017 80.0k views

2 Answers

John McClane · Answer 1 · 2017-05-07T13:45:39+0000

Answer:

and only if they have the same slope. Any two vertical lines are parallel. Therefore, the slope of AB is -8 if AB is parallel to CD.

Explanation:

AXheladini · Answer 2 · 2017-05-13T04:35:46+0000

Parallel Lines Theorem Two coplanar nonvertical lines are parallel if and only if they have the same slope. Any two vertical lines are parallel. Therefore, the slope of AB is -8 if AB is parallel to CD.

If AB is parallel to CD and the slope of CD is -8, what is the slope of AB ?

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