1.
Simplify (4
x
3
) (3
x
5
).
A.
7
x
15
B.
12
x
8
C.
12
x
15
D.
7
x
8
Hint
2.
Simplify (3
a
4
b
2
)
2
(2
a
3
bc
2
)
3
.
A.
6
a
17
b
7
c
6
B.
72
a
17
b
7
c
6
C.
17
a
12
b
8
c
5
D.
36
a
17
b
7
c
6
Hint
3.
Simplify
. Assume the denominator is not equal to zero.
A.
B.
C.
D.
Hint
4.
Which expression is not a polynomial?
A.
7
y
3
B.
C.
3
x
2
+ 5
D.
4
x
3
y
2
- 5
xy
+ 7
Hint
5.
Find the difference (-7
x
4
y
2
– 3
x
2
y
+ 2
xy
2
– 5) – (4
x
4
y
2
–
xy
2
– 5).
A.
-11
x
4
y
2
- 3
x
2
y
+ 3
xy
2
B.
-3
x
4
y
2
- 4
xy
2
+ 2
xy
2
- 10
C.
-11
x
4
y
2
- 3
x
2
y
+ 3
xy
2
- 10
D.
-11
x
4
y
2
- 3
x
2
y
+
xy
2
- 10
Hint
6.
Solve 5(4
x
– 3) = 6(2
x
+ 5) – 5.
A.
B.
C.
x
= 5
D.
Hint
7.
Write an expression for the area of the rectangle shown below.
A.
12
xy
2
+ 4
x
3
y
B.
6
xy
2
+ 4
x
3
y
C.
9
x
2
y
4
+ 12
x
4
y
3
D.
6
xy
2
+ 7
x
3
y
Hint
8.
Find the GCF of 14
a
2
b
4
c
and 56
ab
2
c
2
A.
14
ab
2
c
B.
14
a
2
b
4
c
2
C.
56
ab
2
c
D.
56
a
2
b
2
c
2
Hint
9.
Find
.
A.
B.
C.
D.
Hint
10.
How can the following expression be described 3
x
2
+ 4
x
+ 5
x
– 3?
A.
monomial
B.
binomial
C.
trinomial
D.
polynomial other than these listed
Hint
11.
Anthony and Sanford each throw a football. The height of Anthony's throw can represented by the equation
A
= –10
x
2
+ 15
x
+ 22, where
A
is height and
x
is the time in seconds. The height of Sanford's throw can represented by the equation
S
= –9
x
2
+ 14
x
+ 23. At time
x
, what is the combined height of the throws?
A.
–
x
2
+
x
– 1
B.
x
2
–
x
+ 1
C.
–19
x
2
+ 29
x
+ 45
D.
19
x
2
+ 29
x
+ 45
Hint
12.
What is the GCF of 24
x
2
y
3
, 15
x
3
y
2
and 3
x
4
y
3
?
A.
B.
C.
D.
Hint
13.
Which sketch represents
A.
B.
C.
D.
Hint
14.
Which sketch represents
A.
B.
C.
D.
Hint