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JB1625

  • one year ago

Points R, S, and T are plotted on a number line. The coordinate of point R is –6. Points S and T are the same distance from point R. What could be the coordinates of S and T? A. S = 0, T = 6 B. S = –4, T = –2 C. S = –9, T = –12 D. S = –10, T = –2

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  1. zepdrix
    • one year ago
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    Grr I was going to try and draw it :) But my drawing tool is acting up lol.

  2. JB1625
    • one year ago
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    Oh lol:)

  3. zepdrix
    • one year ago
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    |dw:1442962735924:dw|

  4. zepdrix
    • one year ago
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    They want RS to be equal to RT. That's what it means for R to be the same distance from S as it is from T. Is that true for option A here?

  5. JB1625
    • one year ago
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    Yes I think that that is correct. Thank you

  6. JB1625
    • one year ago
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    And can you tell me again how I can alert you when I have a question?

  7. zepdrix
    • one year ago
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    The distance between R and S = 6. From -6 to 0 is a distance of 6. But from R to S, and then S to T, that is a distance of 6 + 6. So no. They are not equal. Part A is not the correct option.

  8. JB1625
    • one year ago
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    Ya that is what I was just about to say

  9. JB1625
    • one year ago
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    Dop you know what the correct answer is?

  10. zepdrix
    • one year ago
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    Instead of graphing, it might just be easier to set this up as a subtraction problem :) \(\large\rm R=-6\) For option B: \(\large\rm S=-2,\quad T=-4\) So then subtracting S from R, or R from S, tells us the distance between them. \(\large\rm RS=-2-(-6)=4\) \(\large\rm RT=-4-(-6)=2\) Again these lengths are not equal.

  11. zepdrix
    • one year ago
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    Try option D: \(\large\rm RS=-6-(-10)=?\) \(\large\rm RT=-2-(-6)=?\)

  12. JB1625
    • one year ago
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    Yes that was it thank you so much:) And can you tell me again how I can alert you if I have a question?

  13. zepdrix
    • one year ago
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    You can use the @ symbol followed by a person's name. If I'm busy, you can try to get someone else's attention :D All the 99 scores at the top of the lobby are a bunch of smarty pants. Example: @JB1625

  14. JB1625
    • one year ago
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    Wait which lobby?

  15. JB1625
    • one year ago
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    :)

  16. zepdrix
    • one year ago
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    Near the top right, you should see a little green text that says: \[\rm \color{green}{\triangle\text{ 172 members online}}\]Something like that. It brings you to the ... lobby or whatever :d

  17. JB1625
    • one year ago
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    Hmmm I don't see it

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