Section 6.2 Multiplication and Division. Multiplying Rational Expressions 1) Multiply their numerators and denominators (Do not FOIL or multiply out the.

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Presentation transcript:

Section 6.2 Multiplication and Division

Multiplying Rational Expressions 1) Multiply their numerators and denominators (Do not FOIL or multiply out the expressions) 2) Factor the numerator and denominator completely 3) Cancel common factors where A, B, C and D are polynomials

Example Simplify Factor 1 1 Multiply across 1 2

Example Simplify Factor 1 1 Multiply across 1 1

Example Simplify Factor 1 Multiply across

Example Simplify It’s already in factored form! 1 Multiply across k

Multiply and simplify

Dividing Rational Expressions 1) Multiply the first rational expression by the reciprocal of the second rational expression 2) Factor the numerator and denominator completely 3) Cancel common factors where A, B, C and D are polynomials

Example Simplify It’s already in factored form 1 3 Multiply across 1 2a 1 1 b

Example Simplify Factor 1 1 Multiply across

Example Simplify Factor 1 1 Multiply across 1

Example Simplify Factor 1 1 Multiply across

Divide and simplify

Group work Answers on next slide

Answers

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