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kakasveta [241]
2 years ago
11

Hello. Is there anyone out there who can answer this for me? I truly appreciate it.

Mathematics
1 answer:
Kryger [21]2 years ago
7 0
A. -1

(1,2) and (2,1)
slope = 2 -1 / 1 -2
slope = 1 / -1
slope = -1
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