efulkerson2905 efulkerson2905
  • 08-09-2020
  • Mathematics
contestada

The midpoint of AB is M(-3,2). If the coordinates of A are (-5, -4), what are
the coordinates of B?

Respuesta :

kusum9a2hhps28
kusum9a2hhps28 kusum9a2hhps28
  • 08-09-2020

Answer:

(-1,8)

Step-by-step explanation:

let b be x2,y2

then apply mid point formula

x=(x1+x2)/2

y=(y1+y2)/2

Answer Link
tramserran
tramserran tramserran
  • 08-09-2020

Answer: B = (-1, 0)

Step-by-step explanation:

Given: M = (-3, 2)  A = (-5, -4)

[tex]M_x=\dfrac{A_x+B_x}{2}\qquad \qquad \qquad M_y=\dfrac{A_y+B_y}{2}\\\\\\-3=\dfrac{-5+B_x}{2}\qquad \qquad \qquad 2=\dfrac{-4+B_y}{2}\\\\\\-6=-5+B_x\qquad \qquad \qquad 4=-4+B_y\\\\\\-1=B_x\qquad \qquad \qquad \qquad 0=B_y[/tex]

Answer Link

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