1.
Which is the quadratic term in the function
f
(
x
) = 3
x
2
+ 6
x
- 4?
A.
3
x
2
+ 6
x
- 4
B.
3
C.
3
x
2
D.
x
2
Hint
2.
What is the
y
-intercept of the function
y
= 2
x
2
+ 1
A.
0
B.
none
C.
3
D.
1
Hint
3.
Find the minimum value of
.
A.
(2, 7)
B.
7
C.
2
D.
11
Hint
4.
If the vertex of a parabola is (3, -4), what is its axis of symmetry?
A.
x
= -4
B.
x
= 3
C.
y
= -4
D.
y
= 3
Hint
5.
Which of the following graphs best represents the function
y
= –
x
2
+ 7
x
+ 8?
A.
B.
C.
D.
Hint