1.
Which property of equality justifies the statement
if
x
– 2 = 9, then
x
= 11?
A.
Addition Property of Equality
B.
Symmetric Property of Equality
C.
Multiplication Property of Equality
D.
Transitive Property of Equality
Hint
2.
Which statement shows the Transitive Property of Equality?
A.
If
AB
+
BC
=
DE
+
BC
, then
AB
=
DE
.
B.
If
AB
=
CD
, then
CD
=
AB
.
C.
If
AB
=
CD
and
AB
=
EF
, then
D.
If
and
then
Hint
3.
The starting point of a proof is the _____ of the conditional and the end is the _____ of the conditional.
A.
statement, reason
B.
hypothesis, conclusion
C.
conjecture, justification
D.
conclusion, hypothesis
Hint
4.
Name the property that justifies the statement.
''If 2
x
= 12, then
x
= 6''.
A.
Transitive Property (=)
B.
Symmetric Property
C.
Division Property (=)
D.
Multiplication Property (=)
Hint
5.
Which cannot be used as a reason in a proof?
A.
Algebra properties
B.
conjectures
C.
Definitions
D.
postulates
Hint