1.
Evaluate 2
c
- 4
k
if
c
= 16 and
k
= 5.
A.
12
B.
52
C.
16
D.
18
Hint
2.
Which is a counterexample for the following statement?
The difference of two odd numbers is an odd number
.
A.
15 – 4 = 11
B.
7 + 9 = 16
C.
15 - 7 = 8
D.
12 – 5 = 7
Hint
3.
What property is shown by the statement?
3(
x
+ 6) = 3·
x
+ 3·6
A.
Identity Property of Multiplication
B.
Distributive Property
C.
Commutative Property of Multiplication
D.
Associative Property of Multiplication
Hint
4.
What is 5
x
− 2
y
+ 4 if
x
= 6 and
y
= 2?
A.
30
B.
8
C.
38
D.
0
Hint
5.
What property is shown by the statement?
3(
x
+ 6) = 3·
x
+ 3·6
A.
Identity Property of Multiplication
B.
Distributive Property
C.
Associative Property of Multiplication
D.
Commutative Property of Multiplication
Hint