AnswersOC27 MATH COLL ALGEBRA-1200710-S1-Degele-VOL7006PSimplifying Rational Expressions by Factoring

Lesson 5.1: Simplifying Rational Expressions by Factoring Answers

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1
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What are the excluded values of x for ?

Question illustration
A
x = –9, x = 2
B
x = –9, x = 0
C
x = –2, x = 9
D
x = 0, x = 9
2
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Which expression is equivalent to ?

Question illustration
A
mc003-2.jpg
Option A
B
mc003-3.jpg
Option B
C
mc003-4.jpg
Option C
D
mc003-5.jpg
Option D
3

Which statement best describes the excluded values of a rational expression?

A
The number of excluded values of a rational expression cannot exceed the degree of the numerator.
B
The number of excluded values of a rational expression cannot exceed the degree of the denominator.
C
The number of excluded values of a rational expression cannot exceed the sum of the degrees of the numerator and denominator.
D
The number of excluded values of a rational expression cannot exceed the difference in the degrees of the numerator and denominator.
4

What is the simplest form of ?

Question illustration
A
mc006-2.jpg
Option A
B
mc006-3.jpg
Option B
C
mc006-4.jpg
Option C
D
mc006-5.jpg
Option D
5

What is the excluded value of x for the expression ?

Question illustration
A
x = –6
B
x = –1
C
x = 1
D
x = 6
6

How can you simplify ?

Question illustration
A
Divide the numerator and denominator by (x – 21).
B
Divide the numerator and denominator by (x + 7).
C
Divide the numerator and denominator by (x – 3).
D
Divide the numerator and denominator by (x – 5).
7

What is the simplest form of ?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
8

Which value is equivalent to ?

Question illustration
A
–7
B
–1
C
1
D
7
9

Which expression is equivalent to ?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
10

What are the excluded values of x for ?

Question illustration
A
x = –6, x = 2
B
x = –6, x = –3, x = 2
C
x = –2, x = 6
D
x = –2, x = 3, x = 6
11

Which shows the expression in simplest form?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
12

Which value is equivalent to ?

Question illustration
A
–4
B
–1
C
1
D
4
13

Which expression is equivalent to ?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
14

How can you simplify ?

Question illustration
A
Divide the numerator and denominator by (x – 21).
B
Divide the numerator and denominator by (x + 7).
C
Divide the numerator and denominator by (x – 3).
D
Divide the numerator and denominator by (x – 5).
15

Which statement best describes the excluded values of a rational expression?

A
The number of excluded values of a rational expression cannot exceed the degree of the numerator.
B
The number of excluded values of a rational expression cannot exceed the degree of the denominator.
C
The number of excluded values of a rational expression cannot exceed the sum of the degrees of the numerator and denominator.
D
The number of excluded values of a rational expression cannot exceed the difference in the degrees of the numerator and denominator.
16

Which expression is equivalent to ?

Question illustration
A
mc003-2.jpg
Option A
B
mc003-3.jpg
Option B
C
mc003-4.jpg
Option C
D
mc003-5.jpg
Option D
17

What are the excluded values of x for ?

Question illustration
A
x = –9, x = 2
B
x = –9, x = 0
C
x = –2, x = 9
D
x = 0, x = 9
18

Which expression is equivalent to ?

Question illustration
A
mc001-2.jpg
Option A
B
mc001-3.jpg
Option B
C
mc001-4.jpg
Option C
D
mc001-5.jpg
Option D
19

What are the excluded values of x for ?

Question illustration
A
x = –6, x = 2
B
x = –6, x = –3, x = 2
C
x = –2, x = 6
D
x = –2, x = 3, x = 6
20

What is the excluded value of x for ?

Question illustration
A
x = 2
B
x = 3
C
x = 4
D
x = 9

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