1.
Simplify (18
q
3
r
)(2
q
r
4
).
A.
36
q
4
r
5
B.
36
q
3
r
4
C.
36
q
r
D.
36
q
3
r
5
Hint
2.
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
3.
Find (3
a
- 1)(5
a
+ 6).
A.
15
a
+ 13
a
-6
B.
15
a
2
+ 13
a
- 6
C.
15
a
2
+ 13
a
+ 6
D.
15
a
2
- 5
a
- 6
Hint
4.
Simplify (
q
2
- 4
q
+ 24) ÷ (
q
+ 2)
A.
q
+ 6 + 36
B.
C.
D.
Hint
5.
Use synthetic division to find
(4
x
3
+ 13
x
2
- 2
x
-15) ÷ (
x
+ 3).
A.
4
x
2
+
x
- 5
B.
4
x
- 5
C.
x
2
+
x
- 5
D.
4
x
2
+
x
+ 5
Hint
6.
The volume of the cube is 512 cubic centimeters. What is the length of one side?
A.
8 cm
B.
23 cm
C.
256 cm
D.
170 cm
Hint
7.
Simplify
A.
B.
C.
D.
Hint
8.
Solve
A.
no solution
B.
C.
D.
Hint
9.
Simplify -8
i
· 6
i
.
A.
48
-1
B.
48
C.
D.
-48
Hint
10.
Simplify (8 - 9
i
) + (3 + 4
i
).
A.
-
i
+ 17
B.
11 + 5
i
C.
17 + 7
i
D.
11 - 5
i
Hint
11.
Express the result in scientific notation.
A.
1.25 × 10
4
B.
1.25 × 10
10
C.
1.25 × 10
-10
D.
1.25 × 10
-4
Hint
12.
Factor 3
ty
3
– 48
ty
.
A.
B.
3
ty
(
y
+ 4)(
y
– 4)
C.
D.
Hint
13.
Factor 4
x
2
– 5
x
– 6.
A.
B.
(4
x
+ 3)(
x
– 2)
C.
D.
Hint
14.
A.
B.
–3
C.
no real solution
D.
3
Hint
15.
Simplify
A.
B.
C.
D.
Hint
16.
Simplify
A.
B.
C.
D.
Hint
17.
Simplify
A.
B.
C.
D.
Hint
18.
Solve
A.
38
B.
no real solution
C.
76
D.
10
Hint