- Use the form a
x
^2
+
b
x
+
c
, to find the values of a
, b
, and c
.
a
=
2
,b
=
−
8
,
c
=
1
- Consider the vertex form of a parabola.
a
(
x
+
d
)
^2
+
e
- Find the value of d using the formula d
=
b
/2a
.
d=-2
- Find the value of e using the formula e
=c
−
b
^2
4
a
.
e
=
−
7
- Substitute the values of a
, d
, and e into the vertex form a
(
x
+
d
)
2
+
e
.
2
(
x
−
2
)
^2
−
7
- Ouma
