Simplifying Rational Expressions

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Simplifying Rational Expressions
Warm Up
Lesson Presentation
Lesson Quiz
Holt Algebra 1
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• Warm Up
• Simplify each expression.
• 1. 2.
• Factor each expression.
• 3. x2 5x 6 4. x2 16x 63

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Objectives
Simplify rational expressions. Identify excluded
values of rational expressions.
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Vocabulary
rational expression
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A rational expression is an algebraic expression
whose numerator and denominator are polynomials.
The value of the polynomial expression in the
denominator cannot be zero since division by zero
is undefined. This means that rational
expressions may have excluded values.
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Bell Work
 
 
 
 
 
 
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Simplify each rational expression, if possible.
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Simplify each rational expression, if possible.
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Simplify each rational expression, if possible.
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Simplify each rational expression, if possible.
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Simplify each rational expression, if possible.
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Simplify each rational expression, if possible.
 
 
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Example 3 Simplifying Rational Expressions with
Trinomials
Simplify each rational expression, if possible.
A.
B.
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Check It Out! Example 3
Simplify each rational expression, if possible.
a.
b.
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Lesson Quiz Part I
Simplify each rational expression, if possible.
1.
2.