1.
Order the steps for writing an indirect proof.
A.
2, 3, 1
B.
1, 2, 3
C.
3, 2, 1
D.
2, 1, 3
Hint
2.
State the assumption that could be used to start an indirect proof of the statement
m
1 +
m
2 = 180.
A.
m
1 +
m
2 = 90
B.
m
1 +
m
2
180
C.
m
1 and
m
2 are supplementary.
D.
m
1 and
m
2 are complementary.
Hint
3.
State the assumption that could be used to start an indirect proof of the statement
AB
+
BC
>
DE
.
A.
AB
+
BC
DE
B.
AB
+
BC
=
DE
C.
AB
+
BC
<
DE
D.
AB
+
BC
DE
Hint
4.
What is another name for an indirect proof?
A.
default proof
B.
proof by assumption
C.
proof by contradiction
D.
paragraph proof
Hint
5.
The type of reasoning that uses a number of examples to arrive at a conclusion is __________ .
A.
exemplary reasoning
B.
contradictory reasoning
C.
inductive reasoning
D.
deductive reasoning
Hint