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Multiply and Divide Rational Expressions Section 12.5

Objectives: Multiply and divide rational expressions

Key Vocabulary: Multiplicative inverse Polynomial Rational expression

Multiplying and Dividing Rational Expressions

Example 1: Find the product.

#1: Find the product.

#2: Find the product.

Example 2: Find the product.

Example 3: Find the product.

#3: Find the product.

#4: Find the product.

Example 4: Find the quotient.

Example 5: Find the quotient.

#5: Find the quotient.

#6: Find the quotient.

Example 6: The amount A (in millions of dollars) spent on all advertising and the amount T(in millions of dollars) spent on television and advertising in the United States during the period 1970-2003 can be modeled by where x is the number of years since 1970. Write a models that gives the percent p (in decimal form) of the amount spent on all advertising that was spent on television advertising. Then approximate the percent spent on television advertising in 2003.

Partner Work Page 806 #6, 12, 18, 23

Homework Assignment Page 806 #4, 8, 10, 14, 16, 20, 22, 24, 26 34, 40, 42, 44, 46, 48, 50, 52