1.
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
2.
Which equation is in the same family as
y
=
x
2
?
A.
y
= 2
x
2
– 3
B.
y
= 2
x
– 3
C.
y
=
x
3
– 3
D.
y
=
x
2
– 3
Hint
3.
Find a quadratic equation for the table.
A.
y
= 5
x
2
– 2
B.
y
= 5
x
2
– 1
C.
y
= 5
x
2
+ 1
D.
y
=
x
2
– 5
Hint
4.
Find the cubic equation.
A.
y
=
x
(
x
3
+ 1)
B.
y
= 5
x
3
+ 2
x
C.
y
=
x
2
+ 5
D.
y
= 3
x
Hint
5.
What is the new equation if the graph
y
= 2
x
3
– 6
x
2
is moved down 1 unit?
A.
y
= 2
x
3
– 6
x
2
– 1
B.
y
= 2
x
3
– 5
x
2
C.
y
=
x
3
– 6
x
2
D.
y
= 2
x
3
– 6
x
2
+ 1
Hint