1.
Which statement illustrates the commutative property of addition?
A.
(5 + 3) + 6 = (3 + 5) + 6
B.
(5 + 3) + 6 = 8 + 6
C.
(5 + 3) + 6 = 14
D.
(5 + 3) + 6 = 5 + (3 + 6)
Hint
2.
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(
xy
) + 5(
x
+ 3
y
)
B.
3(
x
+
y
) + 5(
x
+ 3
y
)
C.
3
x
+
y
+ 5
x
(3
y
)
D.
3(
x
+
y
) + 5(3
xy
)
Hint
3.
Simplify 12
f
+ 6(3 + 4
f
).
A.
54
f
B.
16
f
+ 18
C.
36
f
+ 18
D.
34
f
Hint
4.
Simplify 7(
b
+ 3) + 14.
A.
42
b
B.
7
b
+ 35
C.
24
b
D.
7
b
+ 17
Hint
5.
Write a simplified expression to represent 5 times the sum of
x
and 3 increased by 10.
A.
35
x
B.
5
x
+ 25
C.
18
x
D.
5
x
+ 13
Hint