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.
Which assumption would you make to start an indirect proof of the statement Bob took the dog for a walk
A.
Bob did not take the dog for a walk.
B.
Bob will take the dog for a walk.
C.
Bob may take the dog for a walk.
D.
Bob does not have to take the dog for a walk.
Hint
3.
State the assumption that could be used to start an indirect proof of the statement
m
1 +
m
2 = 180.
A.
m
1 and
m
2 are supplementary.
B.
m
1 and
m
2 are complementary.
C.
m
1 +
m
2
180
D.
m
1 +
m
2 = 90
Hint
4.
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
5.
Which assumption would you make to start an indirect proof of the following statement?
The majority of students surveyed preferred chocolate ice cream to vanilla ice cream
.
A.
The number of students surveyed that preferred vanilla ice cream to chocolate ice cream was greater than 50%.
B.
The number of students surveyed that preferred chocolate ice cream to vanilla ice cream was greater than 50%.
C.
The number of students surveyed that preferred vanilla ice cream to chocolate ice cream was greater than 25%.
D.
The number of students surveyed that preferred chocolate ice cream to vanilla ice cream was greater than 25%.
Hint