Pre-Calc/Chapter 8: Analytic Geometry in Two- and Three-Dimensions/8.1 Conic Sections and Parabolas/8.1.1 Find Vertex, Fous, Directrix, and Focal Width Find the vertex, focus, directrix, and focal width of the parabola.y2 = 16x Find the vertex, focus, directrix, and focal width of the parabola.

y² = 16x]]> 1.0000000 0.3333333 0 true true abc Vertex: (0, 0); Focus: (4, 0); Directrix: x = -4; Focal width: 64 Incorrect Vertex: (0, 0); Focus: (0, 4); Directrix: y = -4; Focal width: 4 Incorrect Vertex: (0, 0); Focus: (4, 0); Directrix: x = -4; Focal width: 16 Correct Vertex: (0, 0); Focus: (4, 4); Directrix: x = 4; Focal width: 64 Incorrect