1.
Multiply 4
x
2
(–
x
2
– 3
x
+ 2).
A.
–4
x
4
– 7
x
3
+ 8
x
2
B.
–4
x
2
– 7
x
+ 8
C.
–4
x
2
– 12
x
+ 8
D.
–4
x
4
– 12
x
3
+ 8
x
2
Hint
2.
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
+ 27
k
C.
–6
k
3
+ 4
k
2
– 5
k
D.
6
k
3
+ 4
k
2
– 5
k
Hint
3.
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.
2100
C.
2000 + 100
x
D.
2000
Hint
4.
What is the area a triangle if
b
= 2
y
and
h
= 3
x
+ 5?
A.
3
xy
+ 5
B.
C.
6
xy
+ 10
y
D.
3
xy
+ 5
y
Hint
5.
Simplify
A.
B.
C.
D.
Hint