1.
Which statement illustrates the commutative property of addition?
A.
(5 + 3) + 6 = 14
B.
(5 + 3) + 6 = (3 + 5) + 6
C.
(5 + 3) + 6 = 8 + 6
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(
x
+
y
) + 5(
x
+ 3
y
)
B.
3(
x
+
y
) + 5(3
xy
)
C.
3(
xy
) + 5(
x
+ 3
y
)
D.
3
x
+
y
+ 5
x
(3
y
)
Hint
3.
Simplify 12
f
+ 6(3 + 4
f
).
A.
54
f
B.
36
f
+ 18
C.
34
f
D.
16
f
+ 18
Hint
4.
Evaluate 2 × 17 × 5.
A.
190
B.
170
C.
180
D.
160
Hint
5.
Simplify 2
x
+ 5
x
+ 4(
x
+ 3).
A.
11
x
+ 12
B.
23
x
C.
11
x
+ 3
D.
14
x
Hint