1.
Simplify (18
q
3
r
)(2
q
r
4
).
A.
36
q
3
r
4
B.
36
q
r
C.
36
q
3
r
5
D.
36
q
4
r
5
Hint
2.
Simplify
A.
2
k
-
j
2
k
3
B.
4
k
-
j
2
k
3
C.
2
k
-
j
2
k
D.
2
j
k
-
j
2
k
3
Hint
3.
Factor 6
x
3
y
+ 15
x
2
y
2
- 3
x
4
y
.
A.
x
y
(6
x
2
+ 15
x
y
- 3
x
3
)
B.
3
x
2
y
(2
x
+ 5
y
-
x
2
)
C.
3
x
y
(2
x
2
+ 5
x
y
-
x
3
)
D.
x
2
y
(6
x
+ 15
y
- 3
x
2
)
Hint
4.
Factor 2
r
3
+ 8
r
2
- 10
r
completely.
A.
2
r
(
r
- 1)(
r
+ 5)
B.
2
r
(
r
2
+ 4
r
- 5)
C.
2(
r
3
+ 4
r
2
- 5
r
)
D.
(2
r
- 1)(
r
+ 5)
Hint
5.
Find
A.
9|
y
3
|
B.
9
y
C.
81
y
D.
9
y
2
Hint
6.
Simplify
A.
B.
10
a
2
b
C.
10
a
2
|
b
|
D.
10
a
b
Hint
7.
A.
B.
C.
D.
Hint
8.
Simplify
A.
9
B.
C.
27
D.
3
Hint
9.
Simplify
A.
B.
2
i
C.
D.
Hint
10.
Simplify (8 - 9
i
) + (3 + 4
i
).
A.
17 + 7
i
B.
11 + 5
i
C.
-
i
+ 17
D.
11 - 5
i
Hint
11.
Simplify
A.
27
x
3
n
y
6
B.
C.
D.
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.
No, because there are two terms.
C.
Yes.
D.
Cannot be determined from given information.
Hint
13.
Determine whether the expression
x
+
y
+
z
is a monomial, binomial, or trinomial.
A.
monomial
B.
binomial
C.
trinomial
D.
Cannot be determined from given information.
Hint
14.
Find
A.
B.
C.
D.
Hint
15.
A.
3
B.
no real solution
C.
–3
D.
Hint
16.
Simplify
A.
B.
C.
D.
Hint
17.
Solve
A.
no real solution.
B.
36
C.
18
D.
Hint
18.
Solve
A.
38
B.
76
C.
no real solution
D.
10
Hint