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Answer:
D. -1
Step-by-step explanation:
Use rise over run, (y2 - y1) / (x2 - x1)
Plug in the points:
(y2 - y1) / (x2 - x1)
(3 - 7) / (2 + 2)
-4 / 4
= -1
So, the slope is -1.
The correct answer is D. -1