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Spartan_Of_Ares

  • 3 years ago

What is the axis of symmetry for the graph of y = 3x2 + 6x − 4?

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  1. Spartan_Of_Ares
    • 3 years ago
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    i didnt just crash

  2. tcarroll010
    • 3 years ago
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    You can get the axis of symmetry from putting the equation in the vertex form: y = 3(x^2 + 2x) - 4 y = 3(x^2 + 2x + 1) - 4 - 3 y = 3(x + 1)^2 - 7 so the vertex is (-1, -7) and the axis of symmetry is x = -1.

  3. Spartan_Of_Ares
    • 3 years ago
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    also what are the domain and range?

  4. tcarroll010
    • 3 years ago
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    This is a parabola opening upwards, so that vertex is the low-point for "y". The domain is all allowable "x" values which in this case is all numbers. The range is all "y" values and that is y >= -7.

  5. tcarroll010
    • 3 years ago
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    Good luck in all of your studies and thx for the recognition! @Spartan_Of_Ares

  6. Spartan_Of_Ares
    • 3 years ago
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    thanks =-]

  7. Spartan_Of_Ares
    • 3 years ago
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    where did you get that pic for your profile

  8. tcarroll010
    • 3 years ago
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    I got it from searching for fractals . I can't remember where though. I like mathematical art.

  9. Spartan_Of_Ares
    • 3 years ago
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    ok im going to useit as my descktop background

  10. tcarroll010
    • 3 years ago
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    go for it!

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