• which equation is y = 9x2 + 9x – 1 rewritten in vertex form?

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  • y = (9x^2 + 9x) - 1 y = 9x^2 + 9x - 1 Vertex form: y = 9(x^2 + x) - 1

    • Answered:

      Maximilian Joseph

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  • y = (9x^2 + 9x - 1) = 9(x^2 + x - 1/9) = 9(x + 1/3)^2 - 28/9

    • Answered:

      Darion Jennings

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