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Sagot :

Answer:

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Step-by-step explanation:

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Answer:

  • B(-7, -8)

Step-by-step explanation:

Points given:

  • M(-5, -2) - midpoint
  • A(-3, 4) - endpoint
  • B(x, y) - endpoint

Use midpoint formula to find the coordinates of B:

  • x = (x1 + x2)/2, y = (y1+ y2)/2

Substitute known values and solve for x and y:

  • -5 = (-3 + x)/2 ⇒ -10 = -3 + x ⇒ x = -10 + 3 ⇒ x = -7
  • -2 = (4 + y)/2 ⇒ -4 = 4 + y ⇒ y = -4 - 4 ⇒ y = -8

Point B is:

  • (-7, -8)