1.
What is a conjecture?
A.
a ''shot in the dark'' guess that has been proved
B.
a ''shot in the dark'' guess that hasn't been proved yet
C.
an educated guess that hasn't been proved yet
D.
an educated guess that has been proved
Hint
2.
What are the second differences in the
y
-values?
A.
2
B.
1
C.
–1
D.
0
Hint
3.
What is the relationship between constant second differences and the coefficient of the equation?
A.
the second difference is 2 times the coefficient
B.
the second difference is opposite the coefficient
C.
the second difference is the same as the coefficient
D.
the second difference is –2 times the coefficient
Hint
4.
How many counterexamples are needed to prove a conjecture wrong?
A.
3
B.
2
C.
1
D.
4
Hint
5.
Find the values for
m
and
n
which the conjecture (
m – n
)
2
=
m
2
– n
2
is false.
A.
m
= 1,
n
= 2
B.
m
= 1,
n
= 0
C.
m
= –2,
n
= 0
D.
m
= 1,
n
= 1
Hint