Answer:
Slope = 1
Explanation:
(y2 - y1) ÷ (x2 - x1) = (7 - 9) ÷ (-12 - [-10]) = -2 ÷ (-2) = 1
Slope equation: y2-y1/x2-x1
7-9/-12-(-10)
-2/-2 = 1
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