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## Godsgirl 3 years ago Given segment VW with endpoints V(-2, -6) and W(x+2, y+3), find the coordinates of the midpoint. A-(x, y-3) B-(x/2, y/2) C-(x-2, y-3) D-(x-2, y-3)

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1. ktklown

Hi there. Your last question you learned the procedure for computing the midpoint. Can you apply that to these points?

2. Godsgirl

Okay

3. ktklown

Do you remember what the procedure was?

4. henkjan

there is no correct answer in the solutions you give though... isn't point V(-2,-3) ?

5. Godsgirl

ktklown i do not

6. ktklown

Your previous question was asking the procedure; you got the answer, A. What did that say?

7. Godsgirl

it said Calculate the average of the x-coordinates and the average of the y-coordinates of the endpoints.

8. ktklown

Right. So, let's first calculate the average of the X coordinates. First, what are the two x coordinates?

9. ktklown

Also, are you sure you copied the numbers in the problem correctly? As henkjan noted, the answer to the problem you posted is not one of the multiple choice selections.

10. Godsgirl

I did copy the numbers correctly

11. ktklown

Hmm.. OK, are you sure you copied answers C and D correctly? They're the same.

12. Godsgirl

no i didn't sorry

13. Godsgirl

here is answer d (x/2, (y-3)/2)

14. ktklown

OK. great. Let's get back to solving the problem. As you said, the goal is to first average the x coordinates of the endpoints. So, what are the x coordinates of the endpoints?

15. Godsgirl

V(-2, -6) and W(x+2, y+3)

16. ktklown

Those are the complete endpoints. What are the X coordinates?

17. ktklown

Remember that for a point, it's (x, y) ... the first coordinate is X, and the second is Y.

18. Godsgirl

So x would be -2 and y would be -y

19. ktklown

We want the two x coordinates. The x coordinate of the first point is -2, like you said. What's the x coordinate of the second point?

20. Godsgirl

-6

21. ktklown

that's the Y coordinate of the first point.

22. ktklown

We want the X coordinate of the second point.

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