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anonymous

  • one year ago

can someone explain how to find rate of change in this graph (will give medal and fan)

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  1. anonymous
    • one year ago
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  2. Nnesha
    • one year ago
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    pick two poitns

  3. Nnesha
    • one year ago
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    points **

  4. anonymous
    • one year ago
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    ok (2,14) (10,70)

  5. Nnesha
    • one year ago
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    nice :=)

  6. Nnesha
    • one year ago
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    rate of change means slope \[\huge\rm \frac{ y_2-y_1 }{ x_2 -x_1 }\] now use those points to find slope

  7. Nnesha
    • one year ago
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    y_2 and x_2 mean 2nd y and 2nd x \[\huge\rm (x_1,y_1)(x_2,y_2)\]

  8. anonymous
    • one year ago
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    68/-4?

  9. Nnesha
    • one year ago
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    hmm how did you get 68 and negative 4 ?? :)

  10. Nnesha
    • one year ago
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    remember y's should be at the top

  11. anonymous
    • one year ago
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    56/8 sorry i plugged the numbers in wrong the first time

  12. Nnesha
    • one year ago
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    it's oky yes that's right now divide 56 by 8 and ur done! :)

  13. anonymous
    • one year ago
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    7 oh wow that was easier than i thought thank you so 7 would be my value?

  14. Nnesha
    • one year ago
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    yes 7 is rate of change

  15. anonymous
    • one year ago
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    ok thanks so much

  16. Nnesha
    • one year ago
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    my pleasure :)

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spraguer (Moderator)
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