1.
Which way does the graph of
y
= –2
x
2
open?
A.
left
B.
up
C.
right
D.
down
Hint
2.
Which table shows a quadratic relationship?
A.
B.
C.
D.
Hint
3.
Which equation is in the same family as
y
=
x
2
?
A.
y
=
x
3
– 3
B.
y
=
x
2
– 3
C.
y
= 2
x
– 3
D.
y
= 2
x
2
– 3
Hint
4.
Find a quadratic equation for the table.
A.
y
= 5
x
2
– 2
B.
y
= 5
x
2
– 1
C.
y
=
x
2
– 5
D.
y
= 5
x
2
+ 1
Hint
5.
What is the reciprocal of
?
A.
B.
C.
D.
Hint
6.
Find which equation does not represent a reciprocal relationship.
A.
ab
= 3
B.
–6 =
ef
C.
D.
Hint
7.
Which differences are constant in a cubic equation?
A.
third
B.
second
C.
first
D.
fourth
Hint
8.
How many counterexamples are needed to prove a conjecture wrong?
A.
4
B.
3
C.
1
D.
2
Hint