1.
Find the equation of the axis of symmetry of the graph of
y
= 2
x
2
- 8
x
+ 5.
A.
x
= -4
B.
x
= -2
C.
x
= 2
D.
x
= 4
Hint
2.
Find the coordinates of the vertex of the graph of the equation
y
=
x
2
- 5
x
+ 7.
A.
B.
(0, 7)
C.
(5, 7)
D.
Hint
3.
Which is the graph of the equation
y
= 2
x
2
- 1?
A.
B.
C.
D.
Hint
4.
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
5.
Suppose the equation of the axis of symmetry is
x
= 2. What is the
y
-coordinate of the vertex?
A.
-2
B.
2
C.
cannot be determined from given information
D.
4
Hint