Respuesta :

s1m1

Answer:

Step-by-step explanation:

slope m= (y2-y1) / (x2-x1) = 15-12 / 4-4 = 3/0 is undefined since we can not divide by 0

slope is undefined so the line is vertical
Well, first of all, the formula to calculate slope is: M = (Yb - Ya) / (Xb - Xa)
M = (12 - 15) / (4 - 4)
M = -3/0
So, the slope of this line is: M = -3/0

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