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anonymous

  • one year ago

help on TI 89 Please! The points (-1,3) and(-3,4) lie on the same line. Find the equation of the line. Is it possible to find the answer to this on my calculator by plugging in the answers?

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  1. jim_thompson5910
    • one year ago
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    yes it is possible do you see the "apps" key ? It's right next to the "alpha" key

  2. jim_thompson5910
    • one year ago
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    hit that key, then scroll down to "Data/Matrix editor" then type in the x coordinates in column1 and the y coordinates in column 2

  3. anonymous
    • one year ago
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    when I get there it gives me three options which one do I choose new?

  4. jim_thompson5910
    • one year ago
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    go to current

  5. anonymous
    • one year ago
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    it says type, folder, variable

  6. jim_thompson5910
    • one year ago
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    make it type matrix and make the variable x

  7. jim_thompson5910
    • one year ago
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    let me know when your data is inputted

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