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Bezzdna [24]
3 years ago
8

The midpoint of AB is M(-2, 5). If the coordinates of A are (1, 7), what are the coordinates of B?

Mathematics
1 answer:
irinina [24]3 years ago
7 0

Answer:

(-5, 3)

Step-by-step explanation:

The midpoint formula: (\frac{x_1 + x_2}{2} , \frac{y_1 + y_2}{2})

Now, if we work backwards, starting with the x-coordinate

-2 * 2 = -4 - 1 = -5

Then, the y-coordinate

5 * 2 = 10 - 7 = 3

We reach our answer of (-5, 3). A good habit would be to plug these points back into the formula to check if your answer is correct.

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