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Republican31

  • one year ago

Explanation of: Find the solution set, given the replacement set. y = 1 – 3x {(1, 0), (0, 1), (1, -2), (-1, 4)} And the answer is: {(0, 1), (1, -2), (-1, 4)} I don't understand this at all. I don't remember anything about replacement sets in the lesson.

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  1. anonymous
    • one year ago
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    it means a new number sets that, when plugged into the equations will still continue to be valid

  2. anonymous
    • one year ago
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    lets try all the options to show you what it means. now we try ((1,0) for\[y=1-3x\]\[0=1-3(1)\]that doesnt look valid right?

  3. anonymous
    • one year ago
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    for 2nd option (0,1)\[1=1-3(0)\] this one is valid

  4. anonymous
    • one year ago
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    for 3rd option (1,-2)\[-2=1-3(1)\] this is also valid

  5. anonymous
    • one year ago
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    now the last option (-1,4)\[4=1-3(-1)\]this one is valid too

  6. anonymous
    • one year ago
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    you can understand all that i hope

  7. Republican31
    • one year ago
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    Yes thank you! So then the solutions listed are only the ones that were valid? I understand now!

  8. anonymous
    • one year ago
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    yea

  9. anonymous
    • one year ago
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    yw

  10. Republican31
    • one year ago
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    This was a practice problem in the lesson before the test. Now I'm ready for the test :D. Thank you so much!

  11. anonymous
    • one year ago
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    np, i didnt know about this replacement set thing until i reread the question and feel something was off lol

  12. anonymous
    • one year ago
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    good luck with your test

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spraguer (Moderator)
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