1.
What is the degree of 42
x
5
y
2
z
?
A.
5
B.
8
C.
2
D.
7
Hint
2.
Simplify (18
q
3
r
)(2
q
r
4
).
A.
36
q
r
B.
36
q
4
r
5
C.
36
q
3
r
5
D.
36
q
3
r
4
Hint
3.
Find the perimeter of triangle
ABC
.
A.
(4
w
+ 22) in.
B.
(8
w
+ 8) in.
C.
(8
w
+ 9) in.
D.
(4
w
+ 8) in.
Hint
4.
Factor 8
a
4
b
- 3
a
b
2
c
.
A.
a
b
(8
a
3
- 3
b
c
)
B.
a
b
c
(8
a
3
- 3
b
)
C.
8
a
b
(
a
2
- 3
b
c
)
D.
a
2
b
(8
a
2
- 3
b
c
)
Hint
5.
The volume of the cube is 512 cubic centimeters. What is the length of one side?
A.
170 cm
B.
256 cm
C.
8 cm
D.
23 cm
Hint
6.
Simplify
A.
-13
B.
±13
C.
±84.5
D.
13
Hint
7.
Simplify
A.
B.
C.
D.
Hint
8.
Solve
A.
-49
B.
7
C.
14
D.
49
Hint
9.
Solve
A.
B.
C.
D.
5
Hint
10.
Simplify -8
i
· 6
i
.
A.
48
B.
C.
48
-1
D.
-48
Hint
11.
What is the conjugate of 12 - 4
i
?
A.
B.
12
C.
12 + 4
i
D.
-4
i
Hint
12.
Determine whether the expression 5
x
3
y
3
–
x
2
y
2
is a polynomial.
A.
No, because there are two variables.
B.
Cannot be determined from given information.
C.
No, because there are two terms.
D.
Yes.
Hint
13.
Simplify
A.
B.
y
+ 7
C.
D.
Hint
14.
Find
A.
B.
C.
D.
Hint
15.
Factor 3
ty
3
– 48
ty
.
A.
B.
C.
D.
3
ty
(
y
+ 4)(
y
– 4)
Hint
16.
Solve:
A.
B.
C.
D.
Hint
17.
Simplify
A.
B.
C.
D.
Hint
18.
Evaluate
A.
27
B.
486
C.
9
D.
81
Hint