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vladimir2022 [97]
3 years ago
13

Point A is at (-2, -7) and point M is at (2.5, -1.5).

Mathematics
1 answer:
uysha [10]3 years ago
8 0

Answer:

  B = (7, 4)

Step-by-step explanation:

  B = 2M -A = 2(2.5, -1.5) -(-2, -7)

  B = (5+2, -3+7)

  B = (7, 4)

__

<em>Derivation</em>

You know the midpoint is calculated from ...

  M = (A+B)/2

Solving for B, we get ...

  2M = A+B

  B = 2M-A . . . . the formula we used above

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