israelj4709
israelj4709 israelj4709
  • 11-10-2021
  • Mathematics
contestada

need a lil help please

need a lil help please class=

Respuesta :

mhanifa
mhanifa mhanifa
  • 11-10-2021

Answer:

  • B(2, 4)

Step-by-step explanation:

Given points:

  • A(-1, -9) and M(0.5, -2.5)

Let the coordinates of B are (x, y)

Use midpoint formula to determine the point B:

  • 0.5 = (- 1 + x)/2 ⇒ 1 = -1 + x ⇒ x = 1 + 1 = 2
  • -2.5 = (-9 + y)/2 ⇒ -5 = -9 + y ⇒ y = -5 + 9 = 4

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