1.
Find the coordinates of the vertex of the graph of the equation
y
=
x
2
- 5
x
+ 7.
A.
B.
(5, 7)
C.
D.
(0, 7)
Hint
2.
The vertex of the graph of the equation
y
= -
x
2
+ 6
x
+ 1 is
A.
both a maximum and a minimum
B.
a maximum
C.
a minimum
D.
neither a maximum nor a minimum
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.
What is the equation of the graph shown?
A.
f
(
x
) = 2
x
2
- 2
x
+ 1
B.
f
(
x
) = -2
x
2
+ 2
x
- 1
C.
f
(
x
) = 2
x
2
+ 2
x
+ 1
D.
f
(
x
) = -2
x
2
+ 2
x
+ 1
Hint