Answer:
D. y= 1/2x2 - 2x + 1
Step-by-step explanation:
Graph the parabola using the direction, vertex, focus, and axis of symmetry.
Direction: Opens Up
Vertex:
(
2
,
−
3
)
Focus:
(
2
,
−
5
/2
)
Axis of Symmetry:
x
=
2
Directrix:
y
=
−
7
2
x
y
0
−
1
1
−
5
2
2
−
3
3
−
5
2
4
−
1
_____________
Graph the parabola using the direction, vertex, focus, and axis of symmetry.
Direction: Opens Up
Vertex:
(
−
1
/2
,
−
3/
2
)
Focus:
(
−
1
/2
,
−
11
/8
)
Axis of Symmetry:
x
=
−
1/
2
Directrix:
y
=
−
13
8
x
y
−
2
3
−
1
−
1
−
1
2
−
3
2
1
3
2
11
____________
Graph the parabola using the direction, vertex, focus, and axis of symmetry.
Direction: Opens Up
Vertex:
(
1
2
,
−
3
2
)
Focus:
(
1
2
,
−
11
8
)
Axis of Symmetry:
x
=
1
2
Directrix:
y
=
−
13
8
x
y
−
2
11
−
1
3
1
2
−
3
2
1
−
1
2
3
___________
Graph the parabola using the direction, vertex, focus, and axis of symmetry.
Direction: Opens Up
Vertex:
(
2
,
−
1
)
Focus:
(
2
,
−
1
2
)
Axis of Symmetry:
x
=
2
Directrix:
y
=
−
3
2
x
y
0
1
1
−
1
2
2
−
1
3
−
1
2
4
1
