1.
Which of the following functions will have the widest graph?
A.
y
=
x
2
+3
x
+ 1
B.
y
= 3
x
2
– 8
C.
y
=
x
2
+
x
– 3
D.
y
= –2
x
2
+ 5
x
– 1
Hint
2.
Find the vertex of the graph of the function
.
A.
(–1, 4)
B.
(1, 4)
C.
(–1, –2)
D.
(1, –2)
Hint
3.
Which graph of the following functions will be strictly above the graph of
?
A.
B.
C.
D.
Hint
4.
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
5.
Find the axis of symmetry of the following function:
A.
x
=
B.
x
= –7
C.
x
=
D.
x
= 7
Hint