Find the vertex, focus, directrix, and focal width of the parabola. negative 1 divided by 16 times x squared = y

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

Need on this one asap im almost done with this subject

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap