8. Conic Sections

In Exercises 1–4, find the focus and directrix of each parabola with the given equation. Then match each equation to one of the graphs that are shown and labeled (a)–(d).x^2 = - 4y

In Exercises 1–4, find the focus and directrix of each parabola with the given equation. Then match each equation to one of the graphs that are shown and labeled (a)–(d).y^2 = - 4x

In Exercises 5–16, find the focus and directrix of the parabola with the given equation. Then graph the parabola.y^2 = 16x

In Exercises 5–16, find the focus and directrix of the parabola with the given equation. Then graph the parabola.y^2 = - 8x

In Exercises 5–16, find the focus and directrix of the parabola with the given equation. Then graph the parabola.x^2 = 12y

In Exercises 5–16, find the focus and directrix of the parabola with the given equation. Then graph the parabola.x^2 = - 16y

In Exercises 5–16, find the focus and directrix of the parabola with the given equation. Then graph the parabola.y^2 - 6x = 0

In Exercises 17–30, find the standard form of the equation of each parabola satisfying the given conditions.Focus: (7, 0); Directrix: x = - 7

In Exercises 17–30, find the standard form of the equation of each parabola satisfying the given conditions.Focus: (- 5, 0); Directrix: x = 5

In Exercises 17–30, find the standard form of the equation of each parabola satisfying the given conditions.Focus: (0, 15); Directrix: y = - 15

In Exercises 17–30, find the standard form of the equation of each parabola satisfying the given conditions.Focus: (0, - 25); Directrix: y = 25

In Exercises 17–30, find the standard form of the equation of each parabola satisfying the given conditions.Vertex: (2, - 3); Focus: (2, - 5)

In Exercises 17–30, find the standard form of the equation of each parabola satisfying the given conditions.Focus: (3, 2); Directrix: x = - 1

In Exercises 17–30, find the standard form of the equation of each parabola satisfying the given conditions.Focus: (- 3, 4); Directrix: y = 2

In Exercises 31–34, find the vertex, focus, and directrix of each parabola with the given equation. Then match each equation to one of the graphs that are shown and labeled (a)–(d).(y - 1)^2 = 4(x - 1)