1.
Simplify 6
g
(-3
h
- 4).
A.
-18
g
h
- 4
B.
6
g
h
- 4
C.
-18
g
- 4
D.
-18
g
h
- 24
g
Hint
2.
Find –8
x
3
y
2
(3
xy
4
– 2
x
5
–
y
).
A.
–5
x
4
y
6
- 10
x
8
y
2
- 9
x
3
y
3
B.
–24
x
4
y
6
+ 16
x
15
y
2
+ 8
x
3
y
3
C.
–24
x
4
y
6
- 16
x
8
y
2
+ 8
x
3
y
3
D.
–24
x
4
y
6
+ 16
x
8
y
2
+ 8
x
3
y
3
Hint
3.
Multiply 4
x
2
(–
x
2
– 3
x
+ 2).
A.
–4
x
4
– 12
x
3
+ 8
x
2
B.
–4
x
2
– 12
x
+ 8
C.
–4
x
2
– 7
x
+ 8
D.
–4
x
4
– 7
x
3
+ 8
x
2
Hint
4.
Simplify 5(2
k
2
– 3
k
) – 6
k
(–
k
2
+
k
– 7).
A.
6
k
3
+ 4
k
2
+ 27
k
B.
–6
k
3
+ 4
k
2
– 5
k
C.
–6
k
3
+ 4
k
2
+ 27
k
D.
6
k
3
+ 4
k
2
– 5
k
Hint
5.
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.
2000
B.
2000 + 100
x
C.
2100
D.
100
x
Hint