The midpoint of EF is (-3, 7). The coordinates of E are (-3, 10). Find the coordinate of F.

x + (-3) = -3 2 and y + 10 = 7 2
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1 Answer

strate line...1 end at (-3,10), midpoint=(-3,7)

tu get other end

both hav save x=-3, so line is vertikal...other end hav save x

dist from 1 end tu midpoint=3, so add 3 more tu get other end

other end=(-3,4)
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