12.3 Multiplying Rational Expressions 33 22 11 Definitions Formulas & Examples Practice Problems.

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Presentation transcript:

12.3 Multiplying Rational Expressions Definitions Formulas & Examples Practice Problems

Multiplying Rational Expressions  Steps  Factor the denominators  Factor the numerators  Combine numerators  Combine denominators  Simplify 2

Monomial Expressions Find 3

More Monomial Expressions Find 4

Polynomial Expressions Find 5

More Polynomial Expressions Find 6

Dimensional Analysis 7  Definition  Multiplying fractions that involve units of measure  Frequently used in Chemistry, Physics, Construction, Physical Science, Biology, etc.

Dimensional Analysis 8 In the 2000 summer Olympics in Sydney, Austrailia, Maurice Green of the U.S. won the gold medal for the 100-meter sprint. His winning time was 9.87 seconds. What was his speed in kilometers per hour rounded to the nearest 100 th ?

Practice Problems  Page 657 Problems Even due today Odd due next class 9