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anonymous

  • one year ago

Find the equation of the axis of symmetry and the coordinates of the vertex of the graph of the function y = –2x2 +6x – 1

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  1. anonymous
    • one year ago
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    @JoannaBlackwelder

  2. anonymous
    • one year ago
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    is that,\[y=-2x^2+6x-1\]?

  3. triciaal
    • one year ago
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    the axis of symmetry is the line that has the x- coordinate of the vertex

  4. triciaal
    • one year ago
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    the vertex is (h, k) where h = -b/(2a) from the standard form

  5. triciaal
    • one year ago
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    vertex form of the equation a(x-h)^2 + k = 0

  6. triciaal
    • one year ago
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    how would you complete the square for the given function?

  7. anonymous
    • one year ago
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    Yes @RSTONE2017

  8. anonymous
    • one year ago
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    I don't know how to solve it @triciaal

  9. triciaal
    • one year ago
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  10. triciaal
    • one year ago
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    the red line is the axis of symmetry. the "mirror" of the parabola

  11. triciaal
    • one year ago
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    from the given equation in standard form identify a, b and c

  12. triciaal
    • one year ago
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    what is -b/(2 a ) ?

  13. triciaal
    • one year ago
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    are you here?

  14. anonymous
    • one year ago
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    yeah but don't know what to do or how to solve :( @triciaal

  15. triciaal
    • one year ago
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    what is the standard form of a quadratic equation?

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