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Multiplying and Dividing Rational Expressions

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Presentation on theme: "Multiplying and Dividing Rational Expressions"— Presentation transcript:

1 Multiplying and Dividing Rational Expressions
7.2 Multiplying and Dividing Rational Expressions 1. Multiply rational expressions. 2. Divide rational expressions. 3. Convert units of measurement using dimensional analysis.

2 Multiply: Reduce common FACTORS. NEVER reduce terms!

3 Multiply: Factors Terms Terms Factors Factors or terms? x2

4 Multiply: Factors or terms? 2 1 3 1 x 1

5 Multiply: Factors or terms? 3 1 5 1 b

6 Copyright © 2011 Pearson Education, Inc.
Multiply: Factors or terms? Copyright © 2011 Pearson Education, Inc.

7 Copyright © 2011 Pearson Education, Inc.
Multiply. a) b) c) d) Copyright © 2011 Pearson Education, Inc. 7.2

8 Copyright © 2011 Pearson Education, Inc.
Multiply. a) b) c) d) Copyright © 2011 Pearson Education, Inc. 7.2

9 Change ÷ to ∙ and flip the second fraction.
Divide: Change ÷ to ∙ and flip the second fraction.

10 Divide:

11 Divide:

12 Divide:

13 Copyright © 2011 Pearson Education, Inc.
Divide. a) b) c) d) Copyright © 2011 Pearson Education, Inc. 7.2

14 Copyright © 2011 Pearson Education, Inc.
Divide. a) b) c) d) Copyright © 2011 Pearson Education, Inc. 7.2


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