pre calculus sec 1 4 rational expressions
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Pre-Calculus Sec 1.4 Rational Expressions. Objectives: To review domain To simplify rational expressions. Vocabulary. A quotient of two algebraic expressions is a fractional expression.

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pre calculus sec 1 4 rational expressions

Pre-CalculusSec 1.4 Rational Expressions

Objectives:

To review domain

To simplify rational expressions

vocabulary
Vocabulary

A quotient of two algebraic expressions is a fractional expression.

A rational expression is a fractional expression where both the numerator and denominator are polynomials.

domain
Domain

The domain of an algebraic expression is the set of real numbers that the variable is permitted to have.

Some basic expressions and their domains.

class work
Class Work

Find the domain of each expression.

1. 2.

slide7

Multiplying Rational Expressions

To multiply rational expressions, we use this property of fractions:

dividing rational expressions
Dividing Rational Expressions

To divide rational expressions, we use this property of fractions:

class work1
Class Work

Multiply or divide and simplify.

3) 4)

5)

adding subtracting rational expressions
Adding & Subtracting Rational Expressions

To add or subtract rational expressions, we first find a common denominator and then use this property of fractions:

compound fractions
Compound Fractions

A compound fraction is a fraction in which the numerator, the denominator, or both, are themselves fractional expressions.

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