1.
What is used to show that an assumption is false?
A.
conjecture
B.
counterexample
C.
inductive reasoning
D.
pattern
Hint
2.
Based upon the table below, Mari concluded that when one of two addends is negative, the sum is always negative. Find a counterexample for her conjecture.
A.
-5 + (-5)
B.
-13 + 5
C.
18 + (-10)
D.
-8 + 7
Hint
3.
A line can be named using ___ points.
A.
4
B.
3
C.
2
D.
1
Hint
4.
How many planes contain all three points
M
,
N
, and
O
?
A.
1
B.
2
C.
0
D.
3
Hint
5.
A ___ can be used to prove an if-then statement false.
A.
counterexample
B.
converse
C.
hypothesis
D.
conclusion
Hint
6.
Which of these items can be used as a straightedge?
A.
the edge of an index card
B.
all of these
C.
cover of a book
D.
computer diskette
Hint
7.
Name the intersection of plane
SZT
and plane
RTX
.
A.
B.
C.
D.
Hint
8.
How many points are needed to define a plane?
A.
3
B.
2
C.
4
D.
5
Hint
9.
Write a converse for the statement, ''If a figure has five angles, then it is a pentagon.''
A.
''If a figure is a pentagon, then it has five angles''
B.
''A pentagon is a figure with five angles''
C.
''Pentagons have five angles and five sides''
D.
''A five angled figure is a pentagon''
Hint
10.
Which line is straight?
A.
A
B.
B
C.
D
D.
C
Hint
11.
Find the area of the parallelogram
A.
30.0m
2
B.
28.8m
2
C.
32.4m
2
D.
28.0m
2
Hint
12.
A square has an area of 36m
2
and a perimeter of 24m. What is the length of a side of the square?
A.
6m
B.
4m
C.
9m
D.
5m
Hint