1.
Refer to the diagram below. What polynomial is modeled by the algebra tiles?
A.
-2
x
2
- 3
x
- 1
B.
-3
x
2
+ 2
x
+ 1
C.
3
x
2
- 2
x
- 1
D.
-2
x
2
+ 3
x
+ 1
Hint
2.
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
3.
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.
-9
a
2
+
a
+ 5
D.
-5
a
2
+
a
+ 5
Hint
4.
Rewriting the expression (
y
+ 5) – (4
y
+ 1) as (1 – 4)
y
+ (5 – 1) shows of grouping the like terms and the use of the _______.
A.
Distributive Property
B.
Commutative Property of Multiplication
C.
Associative Property of Addition
D.
Addition Property of Equality
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.
19
j
+ 3
k
meters
C.
8
j
– 3
k
meters
D.
4
j
– 2
k
meters
Hint