1.
Which property of equality justifies the statement
if
x
– 2 = 9, then
x
= 11?
A.
Symmetric Property of Equality
B.
Multiplication Property of Equality
C.
Transitive Property of Equality
D.
Addition Property of Equality
Hint
2.
Which statement shows the Transitive Property of Equality?
A.
If
AB
=
CD
, then
CD
=
AB
.
B.
If
AB
=
CD
and
AB
=
EF
, then
C.
If
AB
+
BC
=
DE
+
BC
, then
AB
=
DE
.
D.
If
and
then
Hint
3.
Complete the proof.
A.
Substitution Property (=)
B.
Transitive Property
C.
Addition Property (=)
D.
Angle Addition Property
Hint
4.
Name the property that justifies the statement:
''2(
x
- 4) = 2
x
- 8''.
A.
Symmetric Property
B.
Distributive Property
C.
Transitive Property (=)
D.
Reflexive Property (=)
Hint
5.
Which cannot be used as a reason in a proof?
A.
postulates
B.
Definitions
C.
conjectures
D.
Algebra properties
Hint