efulkerson2905 efulkerson2905

08-09-2020
Mathematics

contestada

The midpoint of AB is M(4, -1). If the coordinates of A are (2,5), what are the
coordinates of B?

Respuesta :

kusum9a2hhps28 kusum9a2hhps28

08-09-2020

Answer:

(6,-7)

Step-by-step explanation:

take b as x2,y2

then apply mid point formula

x=(x1+x2)/2

y=(y1+y2)/2

Answer Link

tramserran tramserran

08-09-2020

Answer: B = (-6, 7)

Step-by-step explanation:

Given: M = (4, -1) A = (2, 5)

[tex]M_x=\dfrac{A_x+B_x}{2}\qquad \qquad \qquad M_y=\dfrac{A_y+B_y}{2}\\\\\\4=\dfrac{2+B_x}{2}\qquad \qquad \qquad -1=\dfrac{5+B_y}{2}\\\\\\8 = 2+B_x\qquad \qquad \qquad\quad -2=5+B_y\\\\\\6=B_x\qquad \qquad \qquad\qquad \quad -7=B_y[/tex]

Answer Link

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