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anonymous

  • one year ago

What is the average rate of change from x = −2 to x = 0? 1 0 −2 2

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  1. anonymous
    • one year ago
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    @ganeshie8 @Nnesha @nincompoop @pooja195

  2. Nnesha
    • one year ago
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    the link isn't working 4me.

  3. anonymous
    • one year ago
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    ok let mt try this

  4. anonymous
    • one year ago
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  5. Nnesha
    • one year ago
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    okay find y values when x=-2 y =what ? when x=0 y = ?

  6. anonymous
    • one year ago
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    y=-1?

  7. Nnesha
    • one year ago
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    hmm draw a vertical line at x=-2 ,x=0 |dw:1442576939540:dw|

  8. Nnesha
    • one year ago
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    |dw:1442576947023:dw| at what point red line intersect the graph

  9. anonymous
    • one year ago
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    at -2

  10. Nnesha
    • one year ago
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    that's x ut you need y

  11. Nnesha
    • one year ago
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    but*

  12. anonymous
    • one year ago
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    -1 and 1

  13. Nnesha
    • one year ago
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    y values are positive above the x-axis and negative below the x-axis

  14. Nnesha
    • one year ago
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    |dw:1442577127761:dw|

  15. anonymous
    • one year ago
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    ok so its just 1 then

  16. Nnesha
    • one year ago
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    |dw:1442577166274:dw| when x=-2 y =1

  17. Nnesha
    • one year ago
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    yes right when x =-2 y =1 when x=0 y =1 so now use the slop formula to find slope (average rate of change )\[\huge\rm \frac{ y_2 -y_1}{ x_2-x_1 }\]

  18. anonymous
    • one year ago
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    so -2

  19. anonymous
    • one year ago
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    1-1 0-2

  20. anonymous
    • one year ago
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    or is it 2 cause its 0-(-2)

  21. Nnesha
    • one year ago
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    2nd one looks right

  22. anonymous
    • one year ago
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    ok thank you for the help

  23. Nnesha
    • one year ago
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    np

  24. Nnesha
    • one year ago
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    wait no

  25. Nnesha
    • one year ago
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    there is 1-1 at the numerator

  26. Nnesha
    • one year ago
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    @Motown117 what did you get for final answer ?

  27. anonymous
    • one year ago
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    i got 2

  28. Nnesha
    • one year ago
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    no that's not correct

  29. Nnesha
    • one year ago
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    1-1/0-(-2) there is 1-1 at the numerator 1-1 = 0

  30. Nnesha
    • one year ago
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    \[\frac{ 1-1 }{ 0-(-2) }=\frac{ 0 }{ 2 }\] 0 divide by anything equal to what ?

  31. anonymous
    • one year ago
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    0

  32. Nnesha
    • one year ago
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    yes right so slope is 0

  33. anonymous
    • one year ago
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    ok thank you

  34. Nnesha
    • one year ago
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    np

  35. anonymous
    • one year ago
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    can you help me with one more?

  36. Nnesha
    • one year ago
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    i'll try

  37. anonymous
    • one year ago
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    What is the equation of the quadratic graph with a focus of (4, −3) and a directrix of y = −6? f(x) =negative one over six times x squared plus four over three times x plus eleven over six f(x) =one over six times x squared minus four over three times x minus eleven over six f(x) = three fiftieth x squared plus eleven twenty fifth x plus three fifth f(x) = two fiftieth x squared plus eleven twenty fifth x plus two fifth

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