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horsena [70]
3 years ago
7

Y is the midpoint of AB, The coordinates are A(-3,-7) and B(-1,1) What is the coordinate Y?

Mathematics
1 answer:
NISA [10]3 years ago
5 0

The formla of a midpoint of AB:

M\left(\dfrac{x_A+x_B}{2},\ \dfrac{y_A+y_B}{2}\right)

We have A(-3, -7) and B(-1, 1). Substitute:

x_M=\dfrac{-3+(-1)}{2}=\dfrac{-4}{2}=-2\\\\y_M=\dfrac{-7+1}{2}=\dfrac{-6}{2}=-3

<h3>Answer: M(-2, -3)</h3>
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