1.
The greatest power in a quadratic function is ______.
A.
3
B.
2
C.
4
D.
1
Hint
2.
What is the equation of the graph shown?
A.
y
= -
x
2
- 2
x
- 1
B.
y
= -
x
2
+2
x
- 1
C.
y
=
x
2
+ 2
x
+ 1
D.
y
=
x
2
- 2
x
+ 1
Hint
3.
How many diagonals does a 25-sided polygon have?
A.
550
B.
25
C.
300
D.
275
Hint
4.
Find the cubic equation.
A.
y
=
x
2
+ 5
B.
y
= 5
x
3
+ 2
x
C.
y
=
x
(
x
3
+ 1)
D.
y
= 3
x
Hint
5.
In the relationship
, why is
y
inversely proportional to
x
?
A.
the relationship is undefined at
x
= 0
B.
8 is divided into
x
C.
the product of
xy
is a constant, 8
D.
8 is divided into
y
Hint
6.
How does
a
affect graphs of equations in the form of
?
A.
a
affects the length of the graph
B.
a
affects the width of the graph
C.
negative values of
a
move the graph to the left, positive values move it to the right
D.
positive values of
a
move the graph to the left, negative values move it to the right
Hint
7.
How many counterexamples are needed to prove a conjecture wrong?
A.
1
B.
3
C.
2
D.
4
Hint
8.
Consider the following conjecture. If an even number is written 2
k
, where
k
is a whole number, then 2
k
+ 1 must be an odd number. What can be your next course of action in dealing with this conjecture?
A.
develop an argument to prove the conjecture
B.
test every possible case to prove the conjecture
C.
all answers are correct
D.
find a counterexample to disprove the conjecture
Hint