1.
Simplify
.
A.
z
+ 4
B.
C.
D.
Hint
2.
Simplify
.
A.
B.
C.
D.
Hint
3.
Find
.
A.
B.
C.
D.
Hint
4.
Find
.
A.
B.
C.
D.
c
+ 2
Hint
5.
Find
.
A.
B.
C.
D.
Hint
6.
Express
in simplest form.
A.
B.
C.
D.
Hint
7.
Express
in simplest form.
A.
B.
1
C.
D.
-1
Hint
8.
Find
.
A.
B.
C.
D.
Hint
9.
A.
B.
C.
D.
Hint
10.
Solve
.
A.
5
B.
3
C.
D.
10
Hint
11.
Solve
.
A.
-2 or 7
B.
5
C.
-2 or
D.
-2
Hint
12.
Which of the following is not true concerning inverse variation?
A.
There is some nonzero constant
k
such that
x
y
=
k
B.
Its graph is defined for
x
= 0.
C.
x
1
y
1
=
x
2
y
2
D.
As
y
increases,
x
decreases
Hint
13.
What is the constant of variation if
y
varies inversely as
x
, and
x
= 4.3 when
y
= 2.15?
A.
9.245
B.
C.
2
D.
0.108
Hint
14.
Find
.
A.
B.
C.
D.
Hint
15.
Find
.
A.
y
– 12
B.
y
+ 9
C.
y
– 9
D.
y
+ 12
Hint
16.
What must be true about a division problem of a polynomial by a binomial in which there is a non-zero remainder?
A.
The polynomial has no factors.
B.
The polynomial is of degree greater than 2.
C.
The polynomial is of degree less than or equal to 2.
D.
The binomial is not a factor of the polynomial.
Hint
17.
Find the LCM of
x
2
+ 7
x
+ 12 and
x
2
– 5
x
+ 4.
A.
(
x
– 1)(
x
– 4) (
x
+ 4)
B.
(
x
– 1)(
x
– 4)(
x
+ 3) (
x
+ 4)
C.
(
x
– 1)(
x
– 4)(
x
+ 3)
D.
(
x
– 1)(
x
+ 3) (
x
+ 4)
Hint
18.
Simplify
.
A.
B.
C.
D.
9
Hint