1.
State the excluded values of
a
and
b
in the expression
.
A.
B.
C.
D.
Hint
2.
State the excluded values of
x
in the expression
.
A.
, 3, or 4
B.
or - 3
C.
D.
or 3
Hint
3.
Find
.
A.
B.
C.
D.
Hint
4.
Find
.
A.
B.
C.
D.
Hint
5.
What is the quotient when
is divided by
?
A.
B.
C.
D.
Hint
6.
Express
in simplest form.
A.
B.
C.
D.
Hint
7.
Express
in simplest form.
A.
B.
C.
D.
Hint
8.
Find
.
A.
B.
C.
D.
Hint
9.
Write
as a rational expression.
A.
B.
C.
D.
Hint
10.
Solve
.
A.
4
B.
1 or 4
C.
-2
D.
0
Hint
11.
Which of the following is not an example of inverse variation?
A.
the distance covered if several different people drive 200 miles to the game at variable speeds
B.
the number of running plays a football team can run if they elect to use 2 running backs for 8 plays each, or 1 running back for 16 plays
C.
the number of computers a company gives if it has enough computers to give 24 people 1 computer, or 12 people two computers
D.
the number of samples a store can give away if they give 1 free sample to each of 300 people, or decide to give 2 samples to 300 people
Hint
12.
What is the constant of variation if
y
varies inversely as
x
, and
x
= 4.3 when
y
= 2.15?
A.
9.245
B.
2
C.
D.
0.108
Hint
13.
Find
.
A.
B.
C.
D.
Hint
14.
Find
.
A.
y
– 12
B.
y
+ 12
C.
y
+ 9
D.
y
– 9
Hint
15.
Find
.
A.
k
2
+ 2
k
+ 1
B.
k
+ 2
C.
k
2
– 2
k
– 7 –
D.
k
2
+ 2
k
+ 1 –
Hint
16.
Find the LCM of
x
2
– 5
x
+ 6 and
x
2
+ 4
x
– 12.
A.
(
x
– 3)(
x
+ 6)
B.
(
x
– 3)(
x
+ 6)(
x
– 2)
C.
(
x
– 3)(
x
+ 6)
D.
(
x
– 3)(
x
– 6)(
x
– 2)
Hint
17.
Cynthia has earned 81 total points on quizzes, and she has averaged a
on them. How many quizzes has she taken?
A.
7
B.
6
C.
5
D.
3
Hint
18.
Juan and Sam have to complete 4 home repair jobs this week. If Juan works by himself, he can do the repairs in 7 days. With Sam helping him, they completed them in 3 days. How long would it take Sam to complete the repairs alone?
A.
B.
C.
D.
Hint