Problem :
Find the vertex, focus, axis, and directrix of the following
parabola: x2 - 4x - 8y + 28 = 0.
Vertex:
(2, 3). Focus:
(2, 5). Axis:
x = 2. Directrix:
y = 1.
Problem :
Find the vertex, focus, axis, and directrix of the following parabola: y2 + 4x - 2y - 3 = 0.
Vertex:
(1, 1). Focus:
(0, 1). Axis:
y = 1. Directrix:
x = 2.
Problem :
Find the vertex, focus, axis, and directrix of the following parabola: x2 - 4y = 0.
Vertex:
(0, 0). Focus:
(0, 1). Axis:
x = 0. Directrix:
y = - 1.
Problem :
Find the vertex, focus, axis, and directrix of the following parabola: x2 - 10x - 2y + 29 = 0.
Vertex:
(5, 2). Focus:
(5, 2.5). Axis:
x = 5. Directrix:
y = 1.5.
Problem :
Find the vertex, focus, axis, and directrix of the following parabola: y2 - 16x + 16 = 0.
Vertex:
(0, 1). Focus:
(4, 1). Axis:
y = 1. Directrix:
x = - 4.
Problem :
Find the vertex, focus, axis, and directrix of the following parabola: y = x2 + 3x + 6.
Vertex:
(- 
,
). Focus:
(- , 4). Axis:
x = - . Directrix:
y = 
.
