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anonymous

  • one year ago

For y = -25 + x2, determine the vertex, axis of summetry, domain, and range please help

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  1. sweetburger
    • one year ago
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    to find vertex use -b/2a to find axis of symetry take the x value from the vertex Domain should be easy its a parabola shifted down 25 units and the range is All known numbers

  2. sweetburger
    • one year ago
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    actually knowing that the graph is just shifted down 25 units the midpoint should be 0,-25 i think

  3. anonymous
    • one year ago
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    Yes, however when i choose my answer it said it was wrong, Ill show you what i did

  4. anonymous
    • one year ago
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    |dw:1433291793787:dw|

  5. anonymous
    • one year ago
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    correct?

  6. sweetburger
    • one year ago
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    no you must notice that a would be represent by x^2 remember the notation ax^2+bx+c

  7. sweetburger
    • one year ago
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    also there is no b value for this equation

  8. sweetburger
    • one year ago
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    so -(0)/2a=0 which is your x value and axis of symetry

  9. anonymous
    • one year ago
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    Oh, I see Thank you

  10. sweetburger
    • one year ago
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    np np

  11. sweetburger
    • one year ago
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    need any help finishing the problem or are you good?

  12. anonymous
    • one year ago
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    No thanks I should be fine now thanks!

  13. sweetburger
    • one year ago
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    alrighty :)

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