Respuesta :

Answer:

-2

Step-by-step explanation:

x – 2y = 12

-2y = -x + 12

y = 1/2x - 6

Slope in above equation is 1/2. If you want the slope of a perpendicular line take the inverse opposite which makes it -2/1 or just simply -2.

Rewrite the equation with the perpendicular slope:

y = -2x - 6

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