Answer:
A. y = –x^2 + 4
Step-by-step explanation:
Find the vertex form.
y
=
−
(
x
+
0
)
2
+
4
Graph the parabola using the direction, vertex, focus, and axis of symmetry.
Direction: Opens Down
Vertex:
(
0
,
4
)
Focus:
(
0
,
15
/4
)
Axis of Symmetry:
x
=
0
Directrix:
y
=
17
4
x
y
−
2
0
−
1
3
0
4
1
3
2
0
