1.
Simplify the rational expression
.
A.
B.
C.
D.
Hint
2.
Simplify the rational expression
.
A.
B.
0
C.
D.
Hint
3.
Choose the statement that is true.
A.
To multiply rational numbers, you should cross multiply the numerators and denominators.
B.
To multiply rational numbers, you should add the numerators and multiply the denominators.
C.
To multiply rational numbers, you should multiply the reciprocal of the first fraction by the second fraction.
D.
To multiply rational numbers, you should multiply the numerators and multiply the denominators.
Hint
4.
Find the product
.
A.
B.
C.
5
ab
D.
6
ab
Hint
5.
Find the width of a rectangle if its area is 5
x
2
+ 29
x
- 6 square units and its length is 5
x
- 1 units.
A.
x
+ 6
x
or 7
x
units
B.
x
- 6 units
C.
D.
x
+ 6 units
Hint
6.
Find the LCM for 27
ab
2
and 36
a
2
b
3
.
A.
108
ab
2
B.
9
ab
2
C.
108
a
2
b
3
.
D.
36
ab
2
Hint
7.
Find the LCM for
x
2
- 25 and 2
x
2
+ 9
x
- 5.
A.
(
x
+ 5)
B.
(
x
- 5)(
x
+ 5)(
x
+ 5)(2
x
- 1)
C.
(
x
- 5)(
x
+ 5)(2
x
- 1)
D.
(
x
- 5)(2
x
- 1)
Hint
8.
Which step is
not
used in solving a rational equation?
A.
Use the Distributive Property to simplify.
B.
Multiply each side of the equation by the LCD.
C.
Find the LCD of each term.
D.
Divide each side of the equation by the LCD.
Hint
9.
Find (9
x
2
– 16) ÷ (
x
+ 2).
A.
3
x
– 1
B.
3
x
– 1 +
C.
9
x
– 18 +
D.
9
x
– 18
Hint
10.
Find the sum
.
A.
B.
C.
D.
Hint
11.
Find the sum
.
A.
B.
2
C.
D.
4
Hint
12.
Solve the equation
.
A.
m
= 4
B.
m
=
C.
m
= -4
D.
m
=
Hint