1.
State the excluded values of
a
and
b
in the expression
.
A.
B.
C.
D.
Hint
2.
Simplify
.
A.
B.
C.
D.
2
Hint
3.
Find
.
A.
B.
C.
D.
Hint
4.
Find
.
A.
B.
C.
D.
c
+ 2
Hint
5.
What is the quotient when
is divided by
?
A.
B.
C.
D.
Hint
6.
Find
.
A.
B.
C.
D.
Hint
7.
Find the quotient
.
A.
B.
C.
D.
Hint
8.
Express
in simplest form.
A.
B.
C.
2
D.
Hint
9.
When Hipolito drives to Cleveland, he always arrives at exactly 5 o'clock. Therefore, if he leaves for Cleveland at 1:00, he can average 60 miles per hour. What time should he leave if he wants to average 75 miles per hour?
A.
1:40
B.
1:48
C.
3:12
D.
3:20
Hint
10.
If
y
varies inversely as
x
and
y
= 4 when
x
=
, what is
y
when
x
= 3?
A.
B.
C.
6
D.
24
Hint
11.
Find
.
A.
B.
C.
D.
Hint
12.
A certain rectangle has a length of
and a width of
. What is the perimeter of the rectangle?
A.
B.
C.
D.
Hint
13.
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
+ 3) (
x
+ 4)
D.
(
x
– 1)(
x
– 4)(
x
+ 3)
Hint
14.
Which of the following is not one of the steps for adding rational expressions with unlike denominators?
A.
Add just as with rational expressions with like denominators.
B.
Add the unlike denominators together.
C.
Change each rational expression into an equivalent expression with the LCD as the denominator.
D.
Find the LCD.
Hint
15.
Simplify
.
A.
B.
C.
9
D.
Hint
16.
Cynthia has earned 81 total points on quizzes, and she has averaged a
on them. How many quizzes has she taken?
A.
6
B.
5
C.
3
D.
7
Hint
17.
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
18.
Solve
.
A.
–9 only
B.
{0, 9}
C.
0 only
D.
9 only
Hint