1.
Rewriting the expression (2
x
+ 5
x
) + (4 – 1) as (2 + 5)
x
+ (4 – 1) shows the use of the _______.
A.
Distributive Property
B.
Associative Property of Addition
C.
Commutative Property of Multiplication
D.
Addition Property of Equality
Hint
2.
Find the sum (–5
x
+ 6) + (–2
x
– 7).
A.
–7
x
+ 13
B.
–7
x
– 1
C.
–7
x
+ 1
D.
7
x
+ 13
Hint
3.
Which expression is the additive inverse of –
x
2
+ 3
x
– 8?
A.
x
2
+ 3
x
- 8
B.
-
x
2
- 3
x
- 8
C.
x
2
- 3
x
- 8
D.
x
2
- 3
x
+ 8
Hint
4.
Find the difference (4 - 7
a
2
) - (-
a
+ 2
a
2
- 1).
A.
-9
a
2
+
a
+ 5
B.
-5
a
2
-
a
+ 3
C.
-5
a
2
+
a
+ 5
D.
-9
a
2
+
a
+ 3
Hint
5.
Find the difference.
A.
7
x
3
- 11
x
2
- 5
x
- 1
B.
7
x
3
- 11
x
2
- 5
x
+ 17
C.
7
x
3
- 11
x
2
+ 5
x
+ 17
D.
7
x
3
- 11
x
2
+ 5
x
- 1
Hint