Adding and Subtracting Rational Expressions Answers
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1
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Which is the simplified rational expression for ?
A
Option
B
Option
C
Option
D
Option
2
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What is the value of the rational expression when x = 2?
A
Option
B
Option
C
Option
D
Option
3
What is the value of the rational expression when x = 5?
A
Option
B
Option
C
Option
D
Option
4
Which represents all the values of x that make the rational expression undefined?
A
x = –3B
x = 7C
x = –7 or x = 7D
x = –3 or x = 35
Which statements are true about the process for adding and subtracting the rational expressions? Select three options.
A
The expression is not defined when x = –1.B
The first step in the simplification is .
C
The denominator of the fully simplified expression will be x – 1.D
The numerator of the fully simplified expression will be –3x.E
The numerator of the fully simplified expression will be –3x + 10.6
For which rational expressions is –5 an excluded value? Select two options.
A
OptionB
Option
C
Option
D
Option
E
Option
7
What is the value of the rational expression when x=-2?
A
-7B
-9C
9D
78
Which represents all the values of x that make the rational expression undefined?
A
x = 2B
x = 5C
x = –5 or x = –2D
x = 2 or x = 59
Which rational expression does not have any excluded values?
A
Option
B
Option
C
Option
D
Option
10
What is the value of the rational expression when x = 0?
A
Option
B
0C
Option
D
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