1.
Simplify (7
a
4
b
) (8
a
7
b
6
).
A.
15
a
11
b
7
B.
56
a
11
b
7
C.
56
a
28
b
6
D.
15
a
28
b
6
Hint
2.
Evaluate
. Express the result in scientific notation.
A.
8.0 × 10
-7
B.
80 × 10
-8
C.
0.8 × 10
-8
D.
8.0 × 10
-9
Hint
3.
Find the sum (4
xy
2
– 3
x
2
y
– 5
xy
– 6) + (-5
xy
2
– 2
xy
+ 3).
A.
-
xy
2
– 3
x
2
y
– 7
xy
– 3
B.
4
xy
2
– 8
x
2
y
– 7
xy
– 3
C.
4
xy
2
– 7
xy
– 3
D.
-
xy
2
– 3
x
2
y
– 3
xy
– 3
Hint
4.
Find the polynomial that represents the measure of the perimeter of the triangle.
A.
7
x
3
y
6
+ 10
x
2
– 2
y
B.
7
xy
2
+ 10
x
– 2
y
C.
15
xy
2
D.
5
xy
2
+ 10
x
Hint
5.
Simplify 5
a
(4
a
2
– 2
a
) + 3
a
(-2
a
2
+ 4
a
).
A.
14
a
2
+ 2
a
B.
2
a
2
+ 10
a
C.
14
a
3
+ 2
a
2
D.
10
a
3
+ 4
a
2
Hint
6.
Find (
x
- 4)
2
.
A.
x
2
- 4
x
+ 16
B.
x
2
- 8
x
+ 16
C.
x
2
- 16
D.
x
2
+ 16
Hint
7.
Simplify ((2
2
)
3
)
4
.
A.
2
20
= 1,048,576
B.
2
24
=16,777,216
C.
2
9
= 512
D.
2
12
= 4096
Hint
8.
Simplify
.
A.
x
3
y
2
B.
x
2
y
C.
x
2
y
2
D.
x
3
y
Hint
9.
Simplify
.
A.
x
3
y
3
B.
x
26
y
3
C.
x
6
y
3
D.
x
24
y
19
Hint
10.
Express 0.000033 in scientific notation.
A.
3.3 × 10
-4
B.
3.3 × 10
5
C.
3.3 × 10
-5
D.
3.3 × 10
-6
Hint
11.
Write a polynomial to represent the area of a square with a side
x
minus the area of a triangle with a base 2
x
and a height of 5.
A.
x
2
– 5
x
B.
x
2
– 2
x
+ 5
C.
4
x
D.
x
2
– 10
x
Hint
12.
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
13.
Solve
x
(
x
– 2) + 2
x
(
x
+ 3) + 10 = 3
x
(
x
– 1) + 31.
A.
x
= –2
B.
x
= 2
C.
x
= 4
D.
x
= 3
Hint
14.
Find the area of a triangle with base 2
x
+ 3 and height 3
x
– 1.
A.
3
x
2
+
x
B.
5
x
2
+ 7
x
– 3
C.
6
x
2
+ 7
x
– 3
D.
x
2
+
x
– 3
Hint
15.
Find the product (2
x
- 3)(2
x
2
+ 5
x
- 1).
A.
8
x
2
– 17
x
+ 3
B.
4
x
3
+ 4
x
2
– 17
x
– 3
C.
8
x
2
– 17
x
– 3
D.
4
x
3
+ 4
x
2
– 17
x
+ 3
Hint
16.
Find the product (3
k
2
– 2
k
)
2
.
A.
9
k
4
– 12
k
3
– 4
k
2
B.
9
k
4
– 6
k
3
– 4
k
2
C.
9
k
4
– 12
k
3
+ 4
k
2
D.
9
k
4
– 6
k
3
+ 4
k
2
Hint