Simplify the following expression 7d-9-6d-4
2 answers:
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Answer is (4,3)
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Add up the x coordinates to get 9+(-1) = 8. Divide this over two and we end up with 8/2 = 4
Repeat for the y coordinates: 9+(-3) = 6, which cuts in half to get 6/2 = 3
The midpoint is at (4,3)
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The midpoint formula is
where (x1,y1) and (x2,y2) are the endpoints.