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Algebra 2

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Find the vertex and axis of symmetry of the parabola when y=-3x^2+12-8

  • Algebra 2 - ,

    Don't you mean
    y = 3x^2 +12x -8 ?

    If so, "complete the square" and rewrite it as
    y = 3(x^2 + 4x + 4)- 20
    = 3(x+2)^2 -20

    That is symmetric about x = -2, and has a vertex at
    x = -2, y = -20

  • Algebra 1 - ,

    how to graph

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