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carlenstar281

help me math question???

  • one year ago
  • one year ago

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  1. LizzyLove<3
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    what math question?

    • one year ago
  2. carlenstar281
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    sorry my computers slow here What is the vertex of the parabola?

    • one year ago
  3. carlenstar281
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    the answers are (–1, 0) (0, –3) (1, –4) (3, 0)

    • one year ago
  4. Elak
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    I cant see your image can you draw it?

    • one year ago
  5. carlenstar281
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    i cant sorry :(

    • one year ago
  6. carlenstar281
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    I can try to explain it

    • one year ago
  7. Elak
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    y = ax^2 + bx + c. is the equation of the parabol

    • one year ago
  8. Elak
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    - b/2a gives the x-coordinate of the vertex.

    • one year ago
  9. carlenstar281
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    it is? do you know the answer then? I have like a hundred more i have to do and i have no clue

    • one year ago
  10. Elak
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    ok I will bring an example and you try to compare with yours ok, because you give not enogh information

    • one year ago
  11. carlenstar281
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    if this helps the lines are curved up in a half oval in the middle

    • one year ago
  12. carlenstar281
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    okay please do that would help me :)

    • one year ago
  13. Elak
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    Find the vertex of the parabola. y = 3x^2 + 12x – 12, Here, a = 3 and b = 12. So, the x-coordinate of the vertex is: x= -12/2(3)=-2 Substituting in the original equation to get the y-coordinate, we get: y = 3(–2)^2 + 12(–2) – 12 = –24 So, the vertex of the parabola is at (–2, –24).

    • one year ago
  14. Elak
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    understand?

    • one year ago
  15. carlenstar281
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    yes thank you :)

    • one year ago
  16. Elak
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    welcome :))

    • one year ago
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