Answer:
Step-by-step explanation:
vertex form Equation of the Parabola is
y
=
a
(
x
−
h
)
2
+
k
F
(
x
)
=
x
2
−
4
x
−
7
=
x
2
−
4
x
+
4
−
4
−
7
=
(
x
−
2
)
2
−
11
This is the vertex form Equation of the Parabola
F
(
x
)
where
h
=
2
and
k
=
−
11
and Parabola opens
u
p
since
a
=
1
is positive
