1.
The graph of
y
= -4
x
2
- 1 is _____.
A.
None of these is correct.
B.
a circle
C.
a straight line
D.
a parabola
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.
How many diagonals does a 25-sided polygon have?
A.
25
B.
275
C.
550
D.
300
Hint
4.
What is the new equation if the graph
y
= 2
x
3
– 6
x
2
is moved down 1 unit?
A.
y
=
x
3
– 6
x
2
B.
y
= 2
x
3
– 6
x
2
+ 1
C.
y
= 2
x
3
– 6
x
2
– 1
D.
y
= 2
x
3
– 5
x
2
Hint
5.
Find the equation of the following graph.
A.
y
=
x
2
B.
y
=
x
3
C.
y
=
D.
y
=
Hint
6.
Consider the equation
. What happens to the value of
y
when
x
is divided by 4?
A.
y
is divided by 4
B.
y
is subtracted from 4
C.
y
is multiplied by 4
D.
y
is added to 4
Hint
7.
Which differences are constant in a cubic equation?
A.
second
B.
third
C.
first
D.
fourth
Hint
8.
How many counterexamples are needed to prove a conjecture wrong?
A.
1
B.
4
C.
3
D.
2
Hint