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The xy-plane shows triangle ABC. The coordinates of A, B and C are (-4,6), (8,-2) and (2,-2) respectively. (a) Calculate coordinates of the midpoint of line AB.

Mathematics

ScanSolve AI Answer

Answer

(2, 2)

Step-by-step solution

3 steps

a)

  1. Recall the midpoint formula for two points (x1,y1)(x_1, y_1) and (x2,y2)(x_2, y_2)

    M=(x1+x22,y1+y22)M = \left(\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2}\right)
  2. Identify the coordinates of points A and B.

    A=(−4,6)A = (-4, 6) so x1=−4x_1 = -4, y1=6y_1 = 6.
    B=(8,−2)B = (8, -2) so x2=8x_2 = 8, y2=−2y_2 = -2.

  3. Substitute the coordinates into the midpoint formula and calculate.

    M=(−4+82,6+(−2)2)M = \left(\frac{-4+8}{2}, \frac{6+(-2)}{2}\right) M=(42,42)M = \left(\frac{4}{2}, \frac{4}{2}\right) M=(2,2)M = (2, 2)

    The coordinates of the midpoint of line AB are (2,2)(2, 2).

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