Which of the following equations is the result of completing the square on x2 - 6x - 9 = 0?

You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.

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Which of the following describes the symmetry of the graph of y = x3?