1.
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
2.
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
3.
Find a quadratic equation for the table.
A.
y
= 5
x
2
+ 1
B.
y
= 5
x
2
– 2
C.
y
=
x
2
– 5
D.
y
= 5
x
2
– 1
Hint
4.
Two friends are playing catch with a baseball. The ball's flight can be modeled by the equation
y
= 1 + 0.6
x
– 0.08
x
2
, in meters. What is the height of the ball at its highest point?
A.
2.13 m
B.
3.78 m
C.
18.8 m
D.
1 m
Hint
5.
Find the cubic equation.
A.
y
=
x
2
+ 5
B.
y
= 3
x
C.
y
=
x
(
x
3
+ 1)
D.
y
= 5
x
3
+ 2
x
Hint