1.
The graph of
y
= -4
x
2
- 1 is _____.
A.
a parabola
B.
a circle
C.
None of these is correct.
D.
a straight line
Hint
2.
How many diagonals are connected to each vertex for a 25-sided polygon?
A.
25
B.
22
C.
21
D.
20
Hint
3.
Find a quadratic equation for the table.
A.
y
= 5
x
2
+ 1
B.
y
= 5
x
2
– 1
C.
y
= 5
x
2
– 2
D.
y
=
x
2
– 5
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
– 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
5.
Consider the equation
xy
= 3. What happens to the value of
y
when
x
doubles?
A.
y
halves
B.
y
doubles
C.
y
triples
D.
y
quarters
Hint
6.
Find the equation of the following graph.
A.
y
=
x
3
B.
y
=
x
2
C.
y
=
D.
y
=
Hint
7.
What is true of the second differences for the equation
x
2
– 6
x
+ 12?
A.
they are constant
B.
they increase by 1
C.
they decrease by 1
D.
they increase by 12
Hint
8.
What type of relationship does the equation have if its second differences are constant?
A.
cubic
B.
linear
C.
quadratic
D.
constant
Hint