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bigchriss
11.09.2019 •
Mathematics
The line segment ef has a midpoint with coordinates m (-2,2). use the formula to find the coordinates of the other endpoint given that e is located at coordinates (2,8).
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Ответ:
The answer to your question is: F = (-6, -4)
Step-by-step explanation:
Segment = EF
mpM = (-2, 2)
first point = E = (2, 8)
second point = F = (x, y)
Formula
Xmp = (x1 + x2) / 2 Ymp = (y1 + y2) / 2
x2 = 2xmp - x1 y2 = 2ymp - y1
Process
x2 = 2(-2) - 2 y2 = 2(2) - 8
x2 = -4 - 2 y2 = 4 - 8
x2 = -6 y2 = -4
F = (-6, -4)
Ответ: