Find the vertex, focus, directrix, and focal width of the parabola. x = 10y2 vertex: (0, 0); focus: one divided by forty comma zero; directrix: x = negative one divided by forty; focal width: 0.1 vertex: (0, 0); focus: one divided by ten comma zero; directrix: x = negative one divided by ten; focal width: 0.1 vertex: (0, 0); focus: one divided by forty comma zero; directrix: x = one divided by forty; focal width: 40 vertex: (0, 0); focus: zero comma one divided by forty; directrix: y = negative one divided by forty; focal width: 40