Parabolas Answers

What are the coordinates of the vertex of the parabola y = x2 - 2x - 1?a.(-1, 2)c.(-1, -2)b.(1, 2)d.(1, -2)

Which of the following equations has an axis of symmetry with the equation x = 3? a. c. b. d. Please select the best answer from the choices provided

Which of the following parabolas opens upward and appears narrower than y = -3x2 + 2x - 1?a.y = 4x2 - 2x - 1c.y = x2 + 4x b.y = -4x2 + 2x - 1d.y = -2x2 + x + 3