1.
Simplify 6
g
(-3
h
- 4).
A.
-18
g
h
- 4
B.
6
g
h
- 4
C.
-18
g
h
- 24
g
D.
-18
g
- 4
Hint
2.
Simplify
. Assume the denominator is not equal to zero.
A.
-
b
2
B.
C.
D.
Hint
3.
The area of the rectangle shown below is 4
x
3
y
2
, and its base
b
is 2
x
5
y
. Find the height,
h
.
A.
2
x
2
y
B.
8
x
8
y
3
C.
D.
Hint
4.
Find the difference (-7
x
4
y
2
– 3
x
2
y
+ 2
xy
2
– 5) – (4
x
4
y
2
–
xy
2
– 5).
A.
-11
x
4
y
2
- 3
x
2
y
+ 3
xy
2
B.
-11
x
4
y
2
- 3
x
2
y
+ 3
xy
2
- 10
C.
-11
x
4
y
2
- 3
x
2
y
+
xy
2
- 10
D.
-3
x
4
y
2
- 4
xy
2
+ 2
xy
2
- 10
Hint
5.
Find (2
y
2
+ 7
y
– 5)(3
y
2
– 5
y
+ 4).
A.
6
y
4
– 35
y
2
– 20
B.
6
y
4
+ 4
y
2
– 32
y
2
– 20
C.
6
y
4
+ 11
y
3
– 42
y
2
+ 53
y
– 20
D.
5
y
2
+ 2
y
– 1
Hint
6.
In a tessellation, the sum of the measures of the angles of the polygons surrounding a point (at a vertex) is________.
A.
360
B.
720
C.
180
D.
90
Hint
7.
Factor 54
x
3
y
2
A.
2 · 3
3
·
x
·
x
·
y
·
y
·
y
B.
2 · 27 ·
x
·
x
·
x
·
y
·
y
C.
2
3
· 3 ·
x
·
x
·
x
·
y
·
y
D.
2 · 3
3
·
x
·
x
·
x
·
y
·
y
Hint
8.
Factor
A.
B.
C.
prime
D.
Hint
9.
Suppose that the base of a triangle is 3
x
y
and its height is also 3
x
y
. What is its area, expressed as a monomial?
A.
x
4
B.
C.
6
x
2
y
2
D.
Hint
10.
Which expression is equivalent to ((3
2
)
4
)
3
?
A.
27
12
B.
9
6
C.
81
6
D.
9
9
Hint
11.
Find (4
x
2
– 2
x
– 3) + (–
x
2
+ 7
x
– 4).
A.
5
x
2
+ 5
x
+ 1
B.
5
x
2
+ 5
x
– 7
C.
3
x
2
+ 5
x
+ 1
D.
3
x
2
+ 5
x
– 7
Hint
12.
A worker has a cafeteria meal plan. The plan requires her to pay $20 for the card, and $1 each time
x
she uses it. If the company sells 100 cards, what is its total revenue?
A.
100
x
B.
2000
C.
2100
D.
2000 + 100
x
Hint
13.
Work backwards to complete
A.
B.
C.
D.
Hint
14.
Maria's age multiplied by 3, decreased by 17 and then doubled is 68. How old is Maria?
A.
22
B.
14
C.
17
D.
15
Hint
15.
Factor
A.
B.
C.
D.
Hint
16.
Factor
A.
B.
C.
D.
Hint