Problem 2.1: Find the vertex, focus, axis, and directrix of the following parabola: x² - 4x - 8y + 28 = 0. [Solution]

Problem 2.2: Find the vertex, focus, axis, and directrix of the following parabola: y² + 4x - 2y - 3 = 0. [Solution]

Problem 2.3: Find the vertex, focus, axis, and directrix of the following parabola: x² - 4y = 0. [Solution]

Problem 2.4: Find the vertex, focus, axis, and directrix of the following parabola: x² - 10x - 2y + 29 = 0. [Solution]

Problem 2.5: Find the vertex, focus, axis, and directrix of the following parabola: y² - 16x + 16 = 0. [Solution]

Problem 2.6: Find the vertex, focus, axis, and directrix of the following parabola: y = x² + 3x + 6. [Solution]