1.
Which way does the graph of
y
= –2
x
2
open?
A.
up
B.
down
C.
left
D.
right
Hint
2.
What is the lowest point on the graph of
y
=
x
2
+ 2?
A.
(0, 0)
B.
(2, 0)
C.
(0, 2)
D.
(0, –2)
Hint
3.
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.
18.8 m
B.
2.13 m
C.
3.78 m
D.
1 m
Hint
4.
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
– 5
x
2
B.
y
= 2
x
3
– 6
x
2
+ 1
C.
y
=
x
3
– 6
x
2
D.
y
= 2
x
3
– 6
x
2
– 1
Hint
5.
Consider the equation
. What happens to the value of
y
when
x
is divided by 4?
A.
y
is added to 4
B.
y
is subtracted from 4
C.
y
is divided by 4
D.
y
is multiplied by 4
Hint
6.
Find which equation does not represent a reciprocal relationship.
A.
–6 =
ef
B.
ab
= 3
C.
D.
Hint
7.
Which differences are constant in a cubic equation?
A.
third
B.
first
C.
second
D.
fourth
Hint
8.
Find the values for
m
and
n
which the conjecture (
m – n
)
2
=
m
2
– n
2
is false.
A.
m
= 1,
n
= 0
B.
m
= 1,
n
= 2
C.
m
= 1,
n
= 1
D.
m
= –2,
n
= 0
Hint