1.
Which is the graph of the equation
y
= 2
x
2
- 1?
A.
B.
C.
D.
Hint
2.
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
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.
Graph the relation represented by
y
=
x
2
–
x
+ 1.
A.
B.
C.
D.
Hint
5.
Which function is
not
a quadratic function?
A.
y
= -
x
2
+ 3
B.
y
= 2
x
+ 3
2
C.
y
= 4
x
2
- 7
D.
y
= 3
x
2
- 12
Hint