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.
Addition Property of Equality
C.
Commutative Property of Multiplication
D.
Associative Property of Addition
Hint
2.
Find the sum (–5
x
+ 6) + (–2
x
– 7).
A.
7
x
+ 13
B.
–7
x
+ 1
C.
–7
x
+ 13
D.
–7
x
– 1
Hint
3.
Find the sum.
A.
-3
b
3
- 3
b
+ 1
B.
-3
b
3
+
b
2
- 3
b
C.
-3
b
3
- 3
b
D.
-3
b
3
-
b
2
- 3
b
Hint
4.
Find the difference (4 - 7
a
2
) - (-
a
+ 2
a
2
- 1).
A.
-9
a
2
+
a
+ 3
B.
-5
a
2
-
a
+ 3
C.
-5
a
2
+
a
+ 5
D.
-9
a
2
+
a
+ 5
Hint
5.
Find the measure of the third side of the triangle if the measure of the perimeter is 11
j
+ 2
k
meters.
A.
3
j
+
k
meters
B.
8
j
– 3
k
meters
C.
4
j
– 2
k
meters
D.
19
j
+ 3
k
meters
Hint