1.
Find the coordinates of the vertex of the graph of the equation
y
= -3
x
2
- 12
x
- 5.
A.
(-4, -5)
B.
(2, -41)
C.
(1, -20)
D.
(-2, 7)
Hint
2.
Which is the graph of the equation
y
= 2
x
2
- 1?
A.
B.
C.
D.
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 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
5.
Suppose the equation of the axis of symmetry is
x
= 2. What is the
y
-coordinate of the vertex?
A.
4
B.
cannot be determined from given information
C.
2
D.
-2
Hint