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rosijanka [135]
3 years ago
8

First to help gets the brainliest, please explain how you did it?

Mathematics
1 answer:
OlgaM077 [116]3 years ago
7 0

Answer:

Perpendicular = 1

parallel = -1

Step-by-step explanation:

Parallel -  you must have the same slope, so it is -1

then, for a perpendicular line, the slope is the opposite, so 1

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