1.
Which statement illustrates the commutative property of addition?
A.
(5 + 3) + 6 = 5 + (3 + 6)
B.
(5 + 3) + 6 = 14
C.
(5 + 3) + 6 = (3 + 5) + 6
D.
(5 + 3) + 6 = 8 + 6
Hint
2.
Which statement illustrates the associative property of multiplication?
A.
(2
x
)
y
= 2(
xy
)
B.
(2
x
)
y
=
y
(2
x
)
C.
(2
x
)
y
= 2
xy
D.
(2
x
)
y
= (
x
· 2)
y
Hint
3.
Write an algebraic expression for the verbal expression: three times the sum of
x
and
y
increased by five times the product of
x
and 3
y
.
A.
3(
x
+
y
) + 5(
x
+ 3
y
)
B.
3(
x
+
y
) + 5(3
xy
)
C.
3
x
+
y
+ 5
x
(3
y
)
D.
3(
xy
) + 5(
x
+ 3
y
)
Hint
4.
Simplify 12
f
+ 6(3 + 4
f
).
A.
16
f
+ 18
B.
36
f
+ 18
C.
34
f
D.
54
f
Hint
5.
Simplify 7(
b
+ 3) + 14.
A.
7
b
+ 17
B.
24
b
C.
7
b
+ 35
D.
42
b
Hint