AnswersSC-TX-TSIA2-Mathematics 26-27 Senior CourseSimplifying Rational Expressions by Factoring

Simplifying Rational Expressions by Factoring Answers

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What is the simplest form of ?

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Which value is equivalent to ?

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–4
B
–1
C
1
D
4
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Which expression is equivalent to ?

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Which expression is equivalent to ?

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For which rational expression is –2 an excluded value of x?

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How many values of x must be excluded in the expression ?

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0
B
1
C
2
D
3
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What are the excluded values of x for ?

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A
x = –6, x = 2
B
x = –6, x = –3, x = 2
C
x = –2, x = 6
D
x = –2, x = 3, x = 6
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What is the simplest form of ?

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Option A
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What are the excluded values of x for ?

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A
x = –9, x = 2
B
x = –9, x = 0
C
x = –2, x = 9
D
x = 0, x = 9
10

How can you simplify ?

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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).

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