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

  2. Godsgirl
    • 3 years ago
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    Okay

  3. ktklown
    • 3 years ago
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    Do you remember what the procedure was?

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

  5. Godsgirl
    • 3 years ago
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    ktklown i do not

  6. ktklown
    • 3 years ago
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    Your previous question was asking the procedure; you got the answer, A. What did that say?

  7. Godsgirl
    • 3 years ago
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    it said Calculate the average of the x-coordinates and the average of the y-coordinates of the endpoints.

  8. ktklown
    • 3 years ago
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    Right. So, let's first calculate the average of the X coordinates. First, what are the two x coordinates?

  9. ktklown
    • 3 years ago
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    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
    • 3 years ago
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    I did copy the numbers correctly

  11. ktklown
    • 3 years ago
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    Hmm.. OK, are you sure you copied answers C and D correctly? They're the same.

  12. Godsgirl
    • 3 years ago
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    no i didn't sorry

  13. Godsgirl
    • 3 years ago
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    here is answer d (x/2, (y-3)/2)

  14. ktklown
    • 3 years ago
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    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
    • 3 years ago
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    V(-2, -6) and W(x+2, y+3)

  16. ktklown
    • 3 years ago
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    Those are the complete endpoints. What are the X coordinates?

  17. ktklown
    • 3 years ago
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    Remember that for a point, it's (x, y) ... the first coordinate is X, and the second is Y.

  18. Godsgirl
    • 3 years ago
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    So x would be -2 and y would be -y

  19. ktklown
    • 3 years ago
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    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
    • 3 years ago
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    -6

  21. ktklown
    • 3 years ago
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    that's the Y coordinate of the first point.

  22. ktklown
    • 3 years ago
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    We want the X coordinate of the second point.

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