1.
Which function has a graph that opens upward?
A.
f
(
x
) = -5
x
2
-6
x
-3
B.
f
(
x
) = -
x
2
+ 4
x
+ 7
C.
f
(
x
) = -
x
2
+ 3
x
-12
D.
f
(
x
) = 2
x
2
- 5
x
- 2
Hint
2.
Find an equation for the parabola shown in the graph.
A.
y
=
(
x
- 2)
2
- 4
B.
y
= (
x
+ 2)
2
- 4
C.
y
=
(
x
+ 2)
2
- 4
D.
y
= (
x
- 2)
2
+ 4
Hint
3.
Find the vertex of the graph of the function
.
A.
(–1, –2)
B.
(1, 4)
C.
(1, –2)
D.
(–1, 4)
Hint
4.
Which graph of the following functions will be strictly above the graph of
?
A.
B.
C.
D.
Hint
5.
What is the equation of the parabola whose vertex is at (-3, 1) and passes through the point (-2, 4)?
A.
B.
C.
D.
Hint