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Suppose the midpoint of (AB) is M= (3,0) if point A has the coordinates of (-1,4) then what are the coordinates of B?

Respuesta :

unicorn3125

Answer:

            B(7, -4)

Step-by-step explanation:

Point M being midpoint of AB means:

[tex]x_M-x_A=x_B - x_M\qquad\quad\ \wedge\qquad y_M-y_A=y_B - y_M\\\\ 3-(-1)=x_B-3\qquad\wedge\qquad 0-4=y_B -0\\\\ {}\qquad x_B=7\qquad\qquad\wedge\qquad\qquad \ y_B=-4[/tex]

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