1.
What is the degree of 42
x
5
y
2
z
?
A.
8
B.
7
C.
2
D.
5
Hint
2.
Simplify
A.
B.
k
-3
C.
k
17
D.
k
3
Hint
3.
Find (
c
2
+ 2
c
- 6)(
c
+ 5).
A.
c
3
+ 7
c
2
+ 4
c
- 30
B.
c
3
+ 2
c
2
- 30
C.
c
3
+ 2
c
2
- 6
c
- 30
D.
c
3
+ 2
c
2
+ 5
Hint
4.
Simplify
A.
x
+ 4
B.
x
2
+ 7
C.
x
- 4
D.
x
+ 7
Hint
5.
A.
x
B.
|
x
5
|
C.
x
2
D.
|
x
|
Hint
6.
Simplify
A.
B.
C.
D.
Hint
7.
Simplify
i
17
.
A.
-
i
B.
i
C.
-1
D.
1
Hint
8.
Simplify
A.
B.
C.
D.
Hint
9.
Determine whether the expression 5
x
3
y
3
–
x
2
y
2
is a polynomial.
A.
No, because there are two terms.
B.
Yes.
C.
Cannot be determined from given information.
D.
No, because there are two variables.
Hint
10.
Find
A.
B.
C.
D.
Hint
11.
Which of the following is prime?
A.
3
xy
+ 13
x
2
B.
7
x
2
–
y
2
C.
3
x
2
– 6
y
D.
5
xy
>
2
+ 10y
Hint
12.
Factor 4
x
2
– 49.
A.
B.
C.
D.
(2
x
+ 7)(2
x
– 7)
Hint
13.
In the expression
q
9
=
p
, what is the cube root of
p
?
A.
q
6
B.
C.
q
3
D.
Hint
14.
Simplify:
A.
B.
C.
D.
Hint
15.
Is the following expression simplified?
A.
yes, since the power on
x
is < 1 in the numerator
B.
no, since the index of 4 could be smaller
C.
Yes, since the power on
x
is = 1 in the denominator.
D.
no, since there is a radical in the denominator
Hint
16.
Simplify
A.
2
B.
C.
D.
Hint
17.
Solve
A.
18
B.
36
C.
no real solution.
D.
Hint
18.
Solve
A.
38
B.
no real solution
C.
76
D.
10
Hint