1.
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
2.
What is the lowest point on the graph of
y
=
x
2
+ 2?
A.
(2, 0)
B.
(0, –2)
C.
(0, 2)
D.
(0, 0)
Hint
3.
How many diagonals does a 25-sided polygon have?
A.
25
B.
275
C.
550
D.
300
Hint
4.
Describe how the graph of
y
= (
x
+ 1)
2
differs from the graph of
y
=
x
2
.
A.
the graph of
y
= (
x
+1)
2
moved 1 unit to the right
B.
the graph of
y
= (
x
+ 1)
2
moved up 1 unit
C.
the graph of
y
= (
x
+ 1)
2
moved down 1 unit
D.
the graph of
y
= (
x
+ 1)
2
moved 1 unit to the left
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 multiplied by 4
C.
y
is subtracted from 4
D.
y
is divided by 4
Hint
6.
Find which equation does not represent a reciprocal relationship.
A.
B.
–6 =
ef
C.
ab
= 3
D.
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 12
C.
they increase by 1
D.
they decrease by 1
Hint
8.
How many counterexamples are needed to prove a conjecture wrong?
A.
3
B.
1
C.
2
D.
4
Hint