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anonymous

  • one year ago

Finding the average rate of change for this question?

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  1. anonymous
    • one year ago
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    I got a table in this lesson with 3 valules (0,2) (1,-1) and (2, -6). How do I find the average rate of change from x=0 to x=2?

  2. Nnesha
    • one year ago
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    average rate of change = slope formula to find slope is \[\huge\rm \frac{ y_2 -y_1 }{ x_2 -x_1 }\] plugin x and y values when x =0 y = ? when x=2 y = ?

  3. anonymous
    • one year ago
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    I have 3 points on in the table they gave me... Which are those above. Which ones do I use?

  4. Nnesha
    • one year ago
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    ` from x=0 to x=2` use the order where x = 0 and x=2

  5. anonymous
    • one year ago
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    So the (0,2) and (2,-6)?

  6. Nnesha
    • one year ago
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    pair***

  7. Nnesha
    • one year ago
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    yes right :=)

  8. anonymous
    • one year ago
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    Alright...

  9. anonymous
    • one year ago
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    y2-y1 _____ x2-x1 -1-2 ____ 2-0 1 _ 2 = 0.5?

  10. Nnesha
    • one year ago
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    |dw:1444480522990:dw|

  11. anonymous
    • one year ago
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    Erm. That doesn't seem right.

  12. anonymous
    • one year ago
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    oh. Oops. Forgot my -6... Somehow.

  13. Nnesha
    • one year ago
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    hmmm y_2 means 2nd y value

  14. Nnesha
    • one year ago
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    ye

  15. anonymous
    • one year ago
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    Lemme redo it.

  16. Nnesha
    • one year ago
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    ok

  17. anonymous
    • one year ago
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    y2-y1 _____ x2-x1 -6-1 ____ 2-0 -7 _ 2 = 3.5

  18. anonymous
    • one year ago
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    .......I keep noticing my mistakes.... Why dont I just look before I post lol

  19. Nnesha
    • one year ago
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    that's fine we learn from mistakes :=)

  20. anonymous
    • one year ago
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    Lol that would be true. Though, I'd rather not make mistakes and just get it right the first time. XD

  21. anonymous
    • one year ago
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    y2-y1 _____ x2-x1 -6-2 ____ 2-0 -4 _ 2 = -2

  22. anonymous
    • one year ago
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    There. That seems like the answer.

  23. Nnesha
    • one year ago
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    -6-2 == ????

  24. anonymous
    • one year ago
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    I thought it was a postitive 2? Oh... I wasn't adding. Then the answer is 4.

  25. anonymous
    • one year ago
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    *-4.

  26. Nnesha
    • one year ago
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    |dw:1444480927636:dw| -6-2 isn't equal to -4 signs are the same we should add them

  27. Nnesha
    • one year ago
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    \(\color{blue}{\text{Originally Posted by}}\) @BetterOffLearningThenNot y2-y1 _____ x2-x1 -6-2 ____ 2-0 -4 _ 2 = -2 \(\color{blue}{\text{End of Quote}}\) see it's -6-2 which is correct

  28. anonymous
    • one year ago
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    Yeah, but its not like we're multipling and we get a postitive 4. I'm not sure what you're getting at.

  29. Nnesha
    • one year ago
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    do you mean final answer 4 ??

  30. anonymous
    • one year ago
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    Well, I think I made and mistake and later found it was -4 rather than 4. Is that correct?

  31. anonymous
    • one year ago
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    ....If i'm going through the process right.

  32. Nnesha
    • one year ago
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    yes right -6-2=-8 divided by 2 =- 4 :=) i thought u were saying -6-2 = 4 :D

  33. anonymous
    • one year ago
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    Lol, okay! Thank you for your help! :D

  34. Nnesha
    • one year ago
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    np, good work!

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