Which of the following describes the parabola with the equation y = 4x2 − 12x + 9? The axis of symmetry is x = 4 and the vertex is (4, −12). The axis of symmetry is x = 1.5 and the vertex is (1.5, 0). The axis of symmetry is x = −1.5 and the vertex is (−1.5, 36). The axis of symmetry is x = 0 and the vertex is (0, 9).