1.
Find the vertex of the graph of
f
(
x
) =
x
2
+ 4
x
- 5.
A.
(-2, 9)
B.
(-2, -9)
C.
(0, -5)
D.
(2, 7)
Hint
2.
Find the axis of symmetry of the graph of
g
(
x
) =
x
2
- 5
x
+ 2.
A.
x
= -5
B.
x
= 2
C.
D.
Hint
3.
Which is the graph of the equation
y
= 2
x
2
- 1?
A.
B.
C.
D.
Hint
4.
Which of the following graphs best represents the function
y
= –
x
2
+ 7
x
+ 8?
A.
B.
C.
D.
Hint
5.
What is the name of the line that the vertex lies on and that divides a parabola in half?
A.
axis of symmetry
B.
midpoint
C.
line of equal halves
D.
parabolic bisector
Hint