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anonymous

  • one year ago

What is the equation of the following graph in vertex form?

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    Courtesy of Texas Instruments

  3. anonymous
    • one year ago
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    answers y = (x − 3)2 − 1 y = (x + 3)2 − 1 y = (x − 4)2 − 2 y = (x − 4)2 + 8

  4. anonymous
    • one year ago
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    help me please @ganeshie8

  5. anonymous
    • one year ago
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    please someone anyone help me

  6. anonymous
    • one year ago
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    please anyone help me understand how to do this please

  7. ganeshie8
    • one year ago
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    Look at the graph, what are the coordinates of vertex? |dw:1435159281614:dw|

  8. anonymous
    • one year ago
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    did you get it?

  9. anonymous
    • one year ago
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    the of the vertex would be ( -3,-1)

  10. ganeshie8
    • one year ago
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    Yes, remember the vertex form of parabola ?

  11. anonymous
    • one year ago
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    it's \[y =a \left( x-h \right)+k\]

  12. anonymous
    • one year ago
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    yea good job

  13. ganeshie8
    • one year ago
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    \[y =a \left( x-h \right)^2+k\]

  14. ganeshie8
    • one year ago
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    where the vertex is \((h,~k)\)

  15. ganeshie8
    • one year ago
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    plug in the vertex coordinates in above equation

  16. anonymous
    • one year ago
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    \[y=a \left( x-\left( -3 \right) \right)^{2}-1\]

  17. ganeshie8
    • one year ago
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    good, which is same as \[y=a \left( x+3\right)^{2}-1\]

  18. ganeshie8
    • one year ago
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    look at the options

  19. anonymous
    • one year ago
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    oh it's the second answer right

  20. ganeshie8
    • one year ago
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    Correct! good job!`

  21. anonymous
    • one year ago
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    thank you so much you helped alot

  22. ganeshie8
    • one year ago
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    yw!

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