1.
To show that a conjecture is false, you need to provide one _____.
A.
possibility
B.
theorem
C.
counterexample
D.
guess
Hint
2.
What is a valid conclusion to the following hypothesis?
If there are two points
...
A.
There are no lines containing both points.
B.
There are two lines containing both points.
C.
There is one line containing both points.
D.
There are an infinite number of lines containing both points.
Hint
3.
Identify the conclusion in the following algebraic statement:
If
a
= 3, then 2
a
+ 1 = 7.
A.
2
a
B.
a
= 3
C.
2
a
+ 1
D.
2
a
+ 1 = 7
Hint
4.
A conditional statement consists of a __________ .
A.
hypothesis and a conclusion
B.
conclusion only
C.
hypothesis only
D.
counterexample
Hint
5.
Which values are a counterexample to the given statement?
If
x
×
y
= 0, then
x
must be 0.
A.
x
= 0,
y
= 1
B.
x
= 0,
y
= 0
C.
x
= -1,
y
= 1
D.
x
= 5,
y
= 0
Hint