1.
Find the coordinates of the vertex of the graph of the equation
y
=
x
2
- 5
x
+ 7.
A.
(0, 7)
B.
C.
D.
(5, 7)
Hint
2.
The vertex of the graph of the equation
y
= -
x
2
+ 6
x
+ 1 is
A.
neither a maximum nor a minimum
B.
a maximum
C.
both a maximum and a minimum
D.
a minimum
Hint
3.
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
4.
Suppose the equation of the axis of symmetry is
x
= 2. What is the
y
-coordinate of the vertex?
A.
2
B.
4
C.
-2
D.
cannot be determined from given information
Hint
5.
The property of a parabola that allows it to be folded in half so that each half matches the other exactly is called what?
A.
minimum
B.
symmetry
C.
vertex
D.
maximum
Hint