1.
What is a conjecture?
A.
a ''shot in the dark'' guess that has been proved
B.
an educated guess that hasn't been proved yet
C.
a ''shot in the dark'' 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.
0
B.
1
C.
–1
D.
2
Hint
3.
What is true of the second differences for the equation
x
2
– 6
x
+ 12?
A.
they decrease by 1
B.
they increase by 12
C.
they increase by 1
D.
they are constant
Hint
4.
What type of relationship does the equation have if its second differences are constant?
A.
cubic
B.
constant
C.
linear
D.
quadratic
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
= 1
B.
m
= –2,
n
= 0
C.
m
= 1,
n
= 0
D.
m
= 1,
n
= 2
Hint