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14-09-2021
Mathematics

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the midpoint of AB is (3,-1) if the coordinates of A are (8,4) what are The coordinates of B?

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14-09-2021

Answer:

B≡(-2,-6)

Step-by-step explanation:

Let, B≡(x,y)

(8+x)/2 = 3

8+x=6

x=-2

and, (4+y)/2=-1

4+y=-2

y=-6

So, B≡(-2,-6)

Hope, this helps you.

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