1.
Find the vertex of the graph of
f
(
x
) =
x
2
+ 4
x
- 5.
A.
(-2, -9)
B.
(-2, 9)
C.
(2, 7)
D.
(0, -5)
Hint
2.
Find the axis of symmetry of the graph of
g
(
x
) =
x
2
- 5
x
+ 2.
A.
B.
x
= 2
C.
D.
x
= -5
Hint
3.
What is the equation of the graph shown?
A.
y
= -
x
2
+2
x
- 1
B.
y
= -
x
2
- 2
x
- 1
C.
y
=
x
2
- 2
x
+ 1
D.
y
=
x
2
+ 2
x
+ 1
Hint
4.
What is the
y
-intercept of the function
y
= 2
x
2
+ 1
A.
1
B.
0
C.
none
D.
3
Hint
5.
What is the name of the line that the vertex lies on and that divides a parabola in half?
A.
midpoint
B.
parabolic bisector
C.
axis of symmetry
D.
line of equal halves
Hint