Geometry help!!!?

2018-07-25 8:51 am

回答 (2)

2018-07-25 8:56 am
Let (x, y) be the mid-point of FJ.

F(x₁, y₁) = F(-5, -3)
J(x₂, y₂) = J(7, -1)

x = (x₁ + x₂)/2 = [(-5) + 7]/2 = 1
y = (y₁ + y₂)/2 = [(-3) + (-1)]/2 = -2

The answer: (1. -2)
2018-07-25 8:11 pm
The midpoint is at (-1, 2)


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